diff --git a/python2.7-alpine3.7/Dockerfile b/python2.7-alpine3.7/Dockerfile
index c7a4eb6..9a1a9aa 100644
--- a/python2.7-alpine3.7/Dockerfile
+++ b/python2.7-alpine3.7/Dockerfile
@@ -181,6 +181,10 @@ ENV NGINX_WORKER_PROCESSES 1
 # (in a Dockerfile or with an option for `docker run`)
 ENV LISTEN_PORT 80
 
+# Copy start.sh script that will check for a /app/prestart.sh script and run it before starting the app
+COPY start.sh /start.sh
+RUN chmod +x /start.sh
+
 # Copy the entrypoint that will generate Nginx additional configs
 COPY entrypoint.sh /entrypoint.sh
 RUN chmod +x /entrypoint.sh
@@ -191,4 +195,6 @@ ENTRYPOINT ["sh", "/entrypoint.sh"]
 COPY ./app /app
 WORKDIR /app
 
-CMD ["/usr/bin/supervisord"]
+# Run the start script, it will check for an /app/prestart.sh script (e.g. for migrations)
+# And then will start Supervisor, which in turn will start Nginx and uWSGI
+CMD ["/start.sh"]
diff --git a/python2.7-alpine3.7/app/prestart.sh b/python2.7-alpine3.7/app/prestart.sh
new file mode 100644
index 0000000..9ccb1da
--- /dev/null
+++ b/python2.7-alpine3.7/app/prestart.sh
@@ -0,0 +1,12 @@
+#! /usr/bin/env sh
+
+echo "Running inside /app/prestart.sh, you could add migrations to this file, e.g.:"
+
+echo "
+#! /usr/bin/env bash
+
+# Let the DB start
+sleep 10;
+# Run migrations
+alembic upgrade head
+"
diff --git a/python2.7-alpine3.7/start.sh b/python2.7-alpine3.7/start.sh
new file mode 100644
index 0000000..60718f4
--- /dev/null
+++ b/python2.7-alpine3.7/start.sh
@@ -0,0 +1,15 @@
+#! /usr/bin/env sh
+set -e
+
+# If there's a prestart.sh script in the /app directory, run it before starting
+PRE_START_PATH=/app/prestart.sh
+echo "Checking for script in $PRE_START_PATH"
+if [ -f $PRE_START_PATH ] ; then
+    echo "Running script $PRE_START_PATH"
+    . $PRE_START_PATH
+else
+    echo "There is no script $PRE_START_PATH"
+fi
+
+# Start Supervisor, with Nginx and uWSGI
+exec /usr/bin/supervisord
diff --git a/python2.7-alpine3.8/Dockerfile b/python2.7-alpine3.8/Dockerfile
index 3ae72cd..26d9e1a 100644
--- a/python2.7-alpine3.8/Dockerfile
+++ b/python2.7-alpine3.8/Dockerfile
@@ -181,6 +181,10 @@ ENV NGINX_WORKER_PROCESSES 1
 # (in a Dockerfile or with an option for `docker run`)
 ENV LISTEN_PORT 80
 
+# Copy start.sh script that will check for a /app/prestart.sh script and run it before starting the app
+COPY start.sh /start.sh
+RUN chmod +x /start.sh
+
 # Copy the entrypoint that will generate Nginx additional configs
 COPY entrypoint.sh /entrypoint.sh
 RUN chmod +x /entrypoint.sh
@@ -191,4 +195,6 @@ ENTRYPOINT ["sh", "/entrypoint.sh"]
 COPY ./app /app
 WORKDIR /app
 
-CMD ["/usr/bin/supervisord"]
+# Run the start script, it will check for an /app/prestart.sh script (e.g. for migrations)
+# And then will start Supervisor, which in turn will start Nginx and uWSGI
+CMD ["/start.sh"]
diff --git a/python2.7-alpine3.8/app/prestart.sh b/python2.7-alpine3.8/app/prestart.sh
new file mode 100644
index 0000000..9ccb1da
--- /dev/null
+++ b/python2.7-alpine3.8/app/prestart.sh
@@ -0,0 +1,12 @@
+#! /usr/bin/env sh
+
+echo "Running inside /app/prestart.sh, you could add migrations to this file, e.g.:"
+
+echo "
+#! /usr/bin/env bash
+
+# Let the DB start
+sleep 10;
+# Run migrations
+alembic upgrade head
+"
diff --git a/python2.7-alpine3.8/start.sh b/python2.7-alpine3.8/start.sh
new file mode 100644
index 0000000..60718f4
--- /dev/null
+++ b/python2.7-alpine3.8/start.sh
@@ -0,0 +1,15 @@
+#! /usr/bin/env sh
+set -e
+
+# If there's a prestart.sh script in the /app directory, run it before starting
+PRE_START_PATH=/app/prestart.sh
+echo "Checking for script in $PRE_START_PATH"
+if [ -f $PRE_START_PATH ] ; then
+    echo "Running script $PRE_START_PATH"
+    . $PRE_START_PATH
+else
+    echo "There is no script $PRE_START_PATH"
+fi
+
+# Start Supervisor, with Nginx and uWSGI
+exec /usr/bin/supervisord
diff --git a/python2.7-alpine3.9/Dockerfile b/python2.7-alpine3.9/Dockerfile
index ce33c79..e172341 100644
--- a/python2.7-alpine3.9/Dockerfile
+++ b/python2.7-alpine3.9/Dockerfile
@@ -181,6 +181,10 @@ ENV NGINX_WORKER_PROCESSES 1
 # (in a Dockerfile or with an option for `docker run`)
 ENV LISTEN_PORT 80
 
+# Copy start.sh script that will check for a /app/prestart.sh script and run it before starting the app
+COPY start.sh /start.sh
+RUN chmod +x /start.sh
+
 # Copy the entrypoint that will generate Nginx additional configs
 COPY entrypoint.sh /entrypoint.sh
 RUN chmod +x /entrypoint.sh
@@ -191,4 +195,6 @@ ENTRYPOINT ["sh", "/entrypoint.sh"]
 COPY ./app /app
 WORKDIR /app
 
-CMD ["/usr/bin/supervisord"]
+# Run the start script, it will check for an /app/prestart.sh script (e.g. for migrations)
+# And then will start Supervisor, which in turn will start Nginx and uWSGI
+CMD ["/start.sh"]
diff --git a/python2.7-alpine3.9/app/prestart.sh b/python2.7-alpine3.9/app/prestart.sh
new file mode 100644
index 0000000..9ccb1da
--- /dev/null
+++ b/python2.7-alpine3.9/app/prestart.sh
@@ -0,0 +1,12 @@
+#! /usr/bin/env sh
+
+echo "Running inside /app/prestart.sh, you could add migrations to this file, e.g.:"
+
+echo "
+#! /usr/bin/env bash
+
+# Let the DB start
+sleep 10;
+# Run migrations
+alembic upgrade head
+"
diff --git a/python2.7-alpine3.9/start.sh b/python2.7-alpine3.9/start.sh
new file mode 100644
index 0000000..60718f4
--- /dev/null
+++ b/python2.7-alpine3.9/start.sh
@@ -0,0 +1,15 @@
+#! /usr/bin/env sh
+set -e
+
+# If there's a prestart.sh script in the /app directory, run it before starting
+PRE_START_PATH=/app/prestart.sh
+echo "Checking for script in $PRE_START_PATH"
+if [ -f $PRE_START_PATH ] ; then
+    echo "Running script $PRE_START_PATH"
+    . $PRE_START_PATH
+else
+    echo "There is no script $PRE_START_PATH"
+fi
+
+# Start Supervisor, with Nginx and uWSGI
+exec /usr/bin/supervisord
diff --git a/python2.7/Dockerfile b/python2.7/Dockerfile
index efd2056..3a8116f 100644
--- a/python2.7/Dockerfile
+++ b/python2.7/Dockerfile
@@ -138,6 +138,10 @@ ENV NGINX_WORKER_PROCESSES 1
 # (in a Dockerfile or with an option for `docker run`)
 ENV LISTEN_PORT 80
 
+# Copy start.sh script that will check for a /app/prestart.sh script and run it before starting the app
+COPY start.sh /start.sh
+RUN chmod +x /start.sh
+
 # Copy the entrypoint that will generate Nginx additional configs
 COPY entrypoint.sh /entrypoint.sh
 RUN chmod +x /entrypoint.sh
@@ -148,4 +152,6 @@ ENTRYPOINT ["/entrypoint.sh"]
 COPY ./app /app
 WORKDIR /app
 
-CMD ["/usr/bin/supervisord"]
+# Run the start script, it will check for an /app/prestart.sh script (e.g. for migrations)
+# And then will start Supervisor, which in turn will start Nginx and uWSGI
+CMD ["/start.sh"]
diff --git a/python2.7/app/prestart.sh b/python2.7/app/prestart.sh
new file mode 100644
index 0000000..9ccb1da
--- /dev/null
+++ b/python2.7/app/prestart.sh
@@ -0,0 +1,12 @@
+#! /usr/bin/env sh
+
+echo "Running inside /app/prestart.sh, you could add migrations to this file, e.g.:"
+
+echo "
+#! /usr/bin/env bash
+
+# Let the DB start
+sleep 10;
+# Run migrations
+alembic upgrade head
+"
diff --git a/python2.7/start.sh b/python2.7/start.sh
new file mode 100644
index 0000000..60718f4
--- /dev/null
+++ b/python2.7/start.sh
@@ -0,0 +1,15 @@
+#! /usr/bin/env sh
+set -e
+
+# If there's a prestart.sh script in the /app directory, run it before starting
+PRE_START_PATH=/app/prestart.sh
+echo "Checking for script in $PRE_START_PATH"
+if [ -f $PRE_START_PATH ] ; then
+    echo "Running script $PRE_START_PATH"
+    . $PRE_START_PATH
+else
+    echo "There is no script $PRE_START_PATH"
+fi
+
+# Start Supervisor, with Nginx and uWSGI
+exec /usr/bin/supervisord
diff --git a/python3.5/Dockerfile b/python3.5/Dockerfile
index 888ec2e..3c96ee7 100644
--- a/python3.5/Dockerfile
+++ b/python3.5/Dockerfile
@@ -136,6 +136,10 @@ ENV NGINX_WORKER_PROCESSES 1
 # (in a Dockerfile or with an option for `docker run`)
 ENV LISTEN_PORT 80
 
+# Copy start.sh script that will check for a /app/prestart.sh script and run it before starting the app
+COPY start.sh /start.sh
+RUN chmod +x /start.sh
+
 # Copy the entrypoint that will generate Nginx additional configs
 COPY entrypoint.sh /entrypoint.sh
 RUN chmod +x /entrypoint.sh
@@ -146,4 +150,6 @@ ENTRYPOINT ["/entrypoint.sh"]
 COPY ./app /app
 WORKDIR /app
 
-CMD ["/usr/bin/supervisord"]
+# Run the start script, it will check for an /app/prestart.sh script (e.g. for migrations)
+# And then will start Supervisor, which in turn will start Nginx and uWSGI
+CMD ["/start.sh"]
diff --git a/python3.5/app/prestart.sh b/python3.5/app/prestart.sh
new file mode 100644
index 0000000..9ccb1da
--- /dev/null
+++ b/python3.5/app/prestart.sh
@@ -0,0 +1,12 @@
+#! /usr/bin/env sh
+
+echo "Running inside /app/prestart.sh, you could add migrations to this file, e.g.:"
+
+echo "
+#! /usr/bin/env bash
+
+# Let the DB start
+sleep 10;
+# Run migrations
+alembic upgrade head
+"
diff --git a/python3.5/start.sh b/python3.5/start.sh
new file mode 100644
index 0000000..60718f4
--- /dev/null
+++ b/python3.5/start.sh
@@ -0,0 +1,15 @@
+#! /usr/bin/env sh
+set -e
+
+# If there's a prestart.sh script in the /app directory, run it before starting
+PRE_START_PATH=/app/prestart.sh
+echo "Checking for script in $PRE_START_PATH"
+if [ -f $PRE_START_PATH ] ; then
+    echo "Running script $PRE_START_PATH"
+    . $PRE_START_PATH
+else
+    echo "There is no script $PRE_START_PATH"
+fi
+
+# Start Supervisor, with Nginx and uWSGI
+exec /usr/bin/supervisord
diff --git a/python3.6-alpine3.7/Dockerfile b/python3.6-alpine3.7/Dockerfile
index b0cfc20..bceb6a9 100644
--- a/python3.6-alpine3.7/Dockerfile
+++ b/python3.6-alpine3.7/Dockerfile
@@ -181,6 +181,10 @@ ENV NGINX_WORKER_PROCESSES 1
 # (in a Dockerfile or with an option for `docker run`)
 ENV LISTEN_PORT 80
 
+# Copy start.sh script that will check for a /app/prestart.sh script and run it before starting the app
+COPY start.sh /start.sh
+RUN chmod +x /start.sh
+
 # Copy the entrypoint that will generate Nginx additional configs
 COPY entrypoint.sh /entrypoint.sh
 RUN chmod +x /entrypoint.sh
@@ -191,4 +195,6 @@ ENTRYPOINT ["sh", "/entrypoint.sh"]
 COPY ./app /app
 WORKDIR /app
 
-CMD ["/usr/bin/supervisord"]
+# Run the start script, it will check for an /app/prestart.sh script (e.g. for migrations)
+# And then will start Supervisor, which in turn will start Nginx and uWSGI
+CMD ["/start.sh"]
diff --git a/python3.6-alpine3.7/app/prestart.sh b/python3.6-alpine3.7/app/prestart.sh
new file mode 100644
index 0000000..9ccb1da
--- /dev/null
+++ b/python3.6-alpine3.7/app/prestart.sh
@@ -0,0 +1,12 @@
+#! /usr/bin/env sh
+
+echo "Running inside /app/prestart.sh, you could add migrations to this file, e.g.:"
+
+echo "
+#! /usr/bin/env bash
+
+# Let the DB start
+sleep 10;
+# Run migrations
+alembic upgrade head
+"
diff --git a/python3.6-alpine3.7/start.sh b/python3.6-alpine3.7/start.sh
new file mode 100644
index 0000000..60718f4
--- /dev/null
+++ b/python3.6-alpine3.7/start.sh
@@ -0,0 +1,15 @@
+#! /usr/bin/env sh
+set -e
+
+# If there's a prestart.sh script in the /app directory, run it before starting
+PRE_START_PATH=/app/prestart.sh
+echo "Checking for script in $PRE_START_PATH"
+if [ -f $PRE_START_PATH ] ; then
+    echo "Running script $PRE_START_PATH"
+    . $PRE_START_PATH
+else
+    echo "There is no script $PRE_START_PATH"
+fi
+
+# Start Supervisor, with Nginx and uWSGI
+exec /usr/bin/supervisord
diff --git a/python3.6-alpine3.8/Dockerfile b/python3.6-alpine3.8/Dockerfile
index efc9f5b..889dd32 100644
--- a/python3.6-alpine3.8/Dockerfile
+++ b/python3.6-alpine3.8/Dockerfile
@@ -181,6 +181,10 @@ ENV NGINX_WORKER_PROCESSES 1
 # (in a Dockerfile or with an option for `docker run`)
 ENV LISTEN_PORT 80
 
+# Copy start.sh script that will check for a /app/prestart.sh script and run it before starting the app
+COPY start.sh /start.sh
+RUN chmod +x /start.sh
+
 # Copy the entrypoint that will generate Nginx additional configs
 COPY entrypoint.sh /entrypoint.sh
 RUN chmod +x /entrypoint.sh
@@ -191,4 +195,6 @@ ENTRYPOINT ["sh", "/entrypoint.sh"]
 COPY ./app /app
 WORKDIR /app
 
-CMD ["/usr/bin/supervisord"]
+# Run the start script, it will check for an /app/prestart.sh script (e.g. for migrations)
+# And then will start Supervisor, which in turn will start Nginx and uWSGI
+CMD ["/start.sh"]
diff --git a/python3.6-alpine3.8/app/prestart.sh b/python3.6-alpine3.8/app/prestart.sh
new file mode 100644
index 0000000..9ccb1da
--- /dev/null
+++ b/python3.6-alpine3.8/app/prestart.sh
@@ -0,0 +1,12 @@
+#! /usr/bin/env sh
+
+echo "Running inside /app/prestart.sh, you could add migrations to this file, e.g.:"
+
+echo "
+#! /usr/bin/env bash
+
+# Let the DB start
+sleep 10;
+# Run migrations
+alembic upgrade head
+"
diff --git a/python3.6-alpine3.8/start.sh b/python3.6-alpine3.8/start.sh
new file mode 100644
index 0000000..60718f4
--- /dev/null
+++ b/python3.6-alpine3.8/start.sh
@@ -0,0 +1,15 @@
+#! /usr/bin/env sh
+set -e
+
+# If there's a prestart.sh script in the /app directory, run it before starting
+PRE_START_PATH=/app/prestart.sh
+echo "Checking for script in $PRE_START_PATH"
+if [ -f $PRE_START_PATH ] ; then
+    echo "Running script $PRE_START_PATH"
+    . $PRE_START_PATH
+else
+    echo "There is no script $PRE_START_PATH"
+fi
+
+# Start Supervisor, with Nginx and uWSGI
+exec /usr/bin/supervisord
diff --git a/python3.6-alpine3.9/Dockerfile b/python3.6-alpine3.9/Dockerfile
index 216c76c..f108f48 100644
--- a/python3.6-alpine3.9/Dockerfile
+++ b/python3.6-alpine3.9/Dockerfile
@@ -181,6 +181,10 @@ ENV NGINX_WORKER_PROCESSES 1
 # (in a Dockerfile or with an option for `docker run`)
 ENV LISTEN_PORT 80
 
+# Copy start.sh script that will check for a /app/prestart.sh script and run it before starting the app
+COPY start.sh /start.sh
+RUN chmod +x /start.sh
+
 # Copy the entrypoint that will generate Nginx additional configs
 COPY entrypoint.sh /entrypoint.sh
 RUN chmod +x /entrypoint.sh
@@ -191,4 +195,6 @@ ENTRYPOINT ["sh", "/entrypoint.sh"]
 COPY ./app /app
 WORKDIR /app
 
-CMD ["/usr/bin/supervisord"]
+# Run the start script, it will check for an /app/prestart.sh script (e.g. for migrations)
+# And then will start Supervisor, which in turn will start Nginx and uWSGI
+CMD ["/start.sh"]
diff --git a/python3.6-alpine3.9/app/prestart.sh b/python3.6-alpine3.9/app/prestart.sh
new file mode 100644
index 0000000..9ccb1da
--- /dev/null
+++ b/python3.6-alpine3.9/app/prestart.sh
@@ -0,0 +1,12 @@
+#! /usr/bin/env sh
+
+echo "Running inside /app/prestart.sh, you could add migrations to this file, e.g.:"
+
+echo "
+#! /usr/bin/env bash
+
+# Let the DB start
+sleep 10;
+# Run migrations
+alembic upgrade head
+"
diff --git a/python3.6-alpine3.9/start.sh b/python3.6-alpine3.9/start.sh
new file mode 100644
index 0000000..60718f4
--- /dev/null
+++ b/python3.6-alpine3.9/start.sh
@@ -0,0 +1,15 @@
+#! /usr/bin/env sh
+set -e
+
+# If there's a prestart.sh script in the /app directory, run it before starting
+PRE_START_PATH=/app/prestart.sh
+echo "Checking for script in $PRE_START_PATH"
+if [ -f $PRE_START_PATH ] ; then
+    echo "Running script $PRE_START_PATH"
+    . $PRE_START_PATH
+else
+    echo "There is no script $PRE_START_PATH"
+fi
+
+# Start Supervisor, with Nginx and uWSGI
+exec /usr/bin/supervisord
diff --git a/python3.6/Dockerfile b/python3.6/Dockerfile
index 71e0840..92cd009 100644
--- a/python3.6/Dockerfile
+++ b/python3.6/Dockerfile
@@ -139,6 +139,10 @@ ENV NGINX_WORKER_PROCESSES 1
 # (in a Dockerfile or with an option for `docker run`)
 ENV LISTEN_PORT 80
 
+# Copy start.sh script that will check for a /app/prestart.sh script and run it before starting the app
+COPY start.sh /start.sh
+RUN chmod +x /start.sh
+
 # Copy the entrypoint that will generate Nginx additional configs
 COPY entrypoint.sh /entrypoint.sh
 RUN chmod +x /entrypoint.sh
@@ -149,4 +153,6 @@ ENTRYPOINT ["/entrypoint.sh"]
 COPY ./app /app
 WORKDIR /app
 
-CMD ["/usr/bin/supervisord"]
+# Run the start script, it will check for an /app/prestart.sh script (e.g. for migrations)
+# And then will start Supervisor, which in turn will start Nginx and uWSGI
+CMD ["/start.sh"]
diff --git a/python3.6/app/prestart.sh b/python3.6/app/prestart.sh
new file mode 100644
index 0000000..9ccb1da
--- /dev/null
+++ b/python3.6/app/prestart.sh
@@ -0,0 +1,12 @@
+#! /usr/bin/env sh
+
+echo "Running inside /app/prestart.sh, you could add migrations to this file, e.g.:"
+
+echo "
+#! /usr/bin/env bash
+
+# Let the DB start
+sleep 10;
+# Run migrations
+alembic upgrade head
+"
diff --git a/python3.6/start.sh b/python3.6/start.sh
new file mode 100644
index 0000000..60718f4
--- /dev/null
+++ b/python3.6/start.sh
@@ -0,0 +1,15 @@
+#! /usr/bin/env sh
+set -e
+
+# If there's a prestart.sh script in the /app directory, run it before starting
+PRE_START_PATH=/app/prestart.sh
+echo "Checking for script in $PRE_START_PATH"
+if [ -f $PRE_START_PATH ] ; then
+    echo "Running script $PRE_START_PATH"
+    . $PRE_START_PATH
+else
+    echo "There is no script $PRE_START_PATH"
+fi
+
+# Start Supervisor, with Nginx and uWSGI
+exec /usr/bin/supervisord
diff --git a/python3.7-alpine3.7/Dockerfile b/python3.7-alpine3.7/Dockerfile
index 0b102f2..1b059f8 100644
--- a/python3.7-alpine3.7/Dockerfile
+++ b/python3.7-alpine3.7/Dockerfile
@@ -181,6 +181,10 @@ ENV NGINX_WORKER_PROCESSES 1
 # (in a Dockerfile or with an option for `docker run`)
 ENV LISTEN_PORT 80
 
+# Copy start.sh script that will check for a /app/prestart.sh script and run it before starting the app
+COPY start.sh /start.sh
+RUN chmod +x /start.sh
+
 # Copy the entrypoint that will generate Nginx additional configs
 COPY entrypoint.sh /entrypoint.sh
 RUN chmod +x /entrypoint.sh
@@ -191,4 +195,6 @@ ENTRYPOINT ["sh", "/entrypoint.sh"]
 COPY ./app /app
 WORKDIR /app
 
-CMD ["/usr/bin/supervisord"]
+# Run the start script, it will check for an /app/prestart.sh script (e.g. for migrations)
+# And then will start Supervisor, which in turn will start Nginx and uWSGI
+CMD ["/start.sh"]
diff --git a/python3.7-alpine3.7/app/prestart.sh b/python3.7-alpine3.7/app/prestart.sh
new file mode 100644
index 0000000..9ccb1da
--- /dev/null
+++ b/python3.7-alpine3.7/app/prestart.sh
@@ -0,0 +1,12 @@
+#! /usr/bin/env sh
+
+echo "Running inside /app/prestart.sh, you could add migrations to this file, e.g.:"
+
+echo "
+#! /usr/bin/env bash
+
+# Let the DB start
+sleep 10;
+# Run migrations
+alembic upgrade head
+"
diff --git a/python3.7-alpine3.7/start.sh b/python3.7-alpine3.7/start.sh
new file mode 100644
index 0000000..60718f4
--- /dev/null
+++ b/python3.7-alpine3.7/start.sh
@@ -0,0 +1,15 @@
+#! /usr/bin/env sh
+set -e
+
+# If there's a prestart.sh script in the /app directory, run it before starting
+PRE_START_PATH=/app/prestart.sh
+echo "Checking for script in $PRE_START_PATH"
+if [ -f $PRE_START_PATH ] ; then
+    echo "Running script $PRE_START_PATH"
+    . $PRE_START_PATH
+else
+    echo "There is no script $PRE_START_PATH"
+fi
+
+# Start Supervisor, with Nginx and uWSGI
+exec /usr/bin/supervisord
diff --git a/python3.7-alpine3.8/Dockerfile b/python3.7-alpine3.8/Dockerfile
index 3a3f3ca..6247daa 100644
--- a/python3.7-alpine3.8/Dockerfile
+++ b/python3.7-alpine3.8/Dockerfile
@@ -181,6 +181,10 @@ ENV NGINX_WORKER_PROCESSES 1
 # (in a Dockerfile or with an option for `docker run`)
 ENV LISTEN_PORT 80
 
+# Copy start.sh script that will check for a /app/prestart.sh script and run it before starting the app
+COPY start.sh /start.sh
+RUN chmod +x /start.sh
+
 # Copy the entrypoint that will generate Nginx additional configs
 COPY entrypoint.sh /entrypoint.sh
 RUN chmod +x /entrypoint.sh
@@ -191,4 +195,6 @@ ENTRYPOINT ["sh", "/entrypoint.sh"]
 COPY ./app /app
 WORKDIR /app
 
-CMD ["/usr/bin/supervisord"]
+# Run the start script, it will check for an /app/prestart.sh script (e.g. for migrations)
+# And then will start Supervisor, which in turn will start Nginx and uWSGI
+CMD ["/start.sh"]
diff --git a/python3.7-alpine3.8/app/prestart.sh b/python3.7-alpine3.8/app/prestart.sh
new file mode 100644
index 0000000..9ccb1da
--- /dev/null
+++ b/python3.7-alpine3.8/app/prestart.sh
@@ -0,0 +1,12 @@
+#! /usr/bin/env sh
+
+echo "Running inside /app/prestart.sh, you could add migrations to this file, e.g.:"
+
+echo "
+#! /usr/bin/env bash
+
+# Let the DB start
+sleep 10;
+# Run migrations
+alembic upgrade head
+"
diff --git a/python3.7-alpine3.8/start.sh b/python3.7-alpine3.8/start.sh
new file mode 100644
index 0000000..60718f4
--- /dev/null
+++ b/python3.7-alpine3.8/start.sh
@@ -0,0 +1,15 @@
+#! /usr/bin/env sh
+set -e
+
+# If there's a prestart.sh script in the /app directory, run it before starting
+PRE_START_PATH=/app/prestart.sh
+echo "Checking for script in $PRE_START_PATH"
+if [ -f $PRE_START_PATH ] ; then
+    echo "Running script $PRE_START_PATH"
+    . $PRE_START_PATH
+else
+    echo "There is no script $PRE_START_PATH"
+fi
+
+# Start Supervisor, with Nginx and uWSGI
+exec /usr/bin/supervisord
diff --git a/python3.7-alpine3.9/Dockerfile b/python3.7-alpine3.9/Dockerfile
index db34e67..b83604d 100644
--- a/python3.7-alpine3.9/Dockerfile
+++ b/python3.7-alpine3.9/Dockerfile
@@ -181,6 +181,10 @@ ENV NGINX_WORKER_PROCESSES 1
 # (in a Dockerfile or with an option for `docker run`)
 ENV LISTEN_PORT 80
 
+# Copy start.sh script that will check for a /app/prestart.sh script and run it before starting the app
+COPY start.sh /start.sh
+RUN chmod +x /start.sh
+
 # Copy the entrypoint that will generate Nginx additional configs
 COPY entrypoint.sh /entrypoint.sh
 RUN chmod +x /entrypoint.sh
@@ -191,4 +195,6 @@ ENTRYPOINT ["sh", "/entrypoint.sh"]
 COPY ./app /app
 WORKDIR /app
 
-CMD ["/usr/bin/supervisord"]
+# Run the start script, it will check for an /app/prestart.sh script (e.g. for migrations)
+# And then will start Supervisor, which in turn will start Nginx and uWSGI
+CMD ["/start.sh"]
diff --git a/python3.7-alpine3.9/app/prestart.sh b/python3.7-alpine3.9/app/prestart.sh
new file mode 100644
index 0000000..9ccb1da
--- /dev/null
+++ b/python3.7-alpine3.9/app/prestart.sh
@@ -0,0 +1,12 @@
+#! /usr/bin/env sh
+
+echo "Running inside /app/prestart.sh, you could add migrations to this file, e.g.:"
+
+echo "
+#! /usr/bin/env bash
+
+# Let the DB start
+sleep 10;
+# Run migrations
+alembic upgrade head
+"
diff --git a/python3.7-alpine3.9/start.sh b/python3.7-alpine3.9/start.sh
new file mode 100644
index 0000000..60718f4
--- /dev/null
+++ b/python3.7-alpine3.9/start.sh
@@ -0,0 +1,15 @@
+#! /usr/bin/env sh
+set -e
+
+# If there's a prestart.sh script in the /app directory, run it before starting
+PRE_START_PATH=/app/prestart.sh
+echo "Checking for script in $PRE_START_PATH"
+if [ -f $PRE_START_PATH ] ; then
+    echo "Running script $PRE_START_PATH"
+    . $PRE_START_PATH
+else
+    echo "There is no script $PRE_START_PATH"
+fi
+
+# Start Supervisor, with Nginx and uWSGI
+exec /usr/bin/supervisord
diff --git a/python3.7/Dockerfile b/python3.7/Dockerfile
index b286959..1875865 100644
--- a/python3.7/Dockerfile
+++ b/python3.7/Dockerfile
@@ -139,6 +139,10 @@ ENV NGINX_WORKER_PROCESSES 1
 # (in a Dockerfile or with an option for `docker run`)
 ENV LISTEN_PORT 80
 
+# Copy start.sh script that will check for a /app/prestart.sh script and run it before starting the app
+COPY start.sh /start.sh
+RUN chmod +x /start.sh
+
 # Copy the entrypoint that will generate Nginx additional configs
 COPY entrypoint.sh /entrypoint.sh
 RUN chmod +x /entrypoint.sh
@@ -149,4 +153,6 @@ ENTRYPOINT ["/entrypoint.sh"]
 COPY ./app /app
 WORKDIR /app
 
-CMD ["/usr/bin/supervisord"]
+# Run the start script, it will check for an /app/prestart.sh script (e.g. for migrations)
+# And then will start Supervisor, which in turn will start Nginx and uWSGI
+CMD ["/start.sh"]
diff --git a/python3.7/app/prestart.sh b/python3.7/app/prestart.sh
new file mode 100644
index 0000000..9ccb1da
--- /dev/null
+++ b/python3.7/app/prestart.sh
@@ -0,0 +1,12 @@
+#! /usr/bin/env sh
+
+echo "Running inside /app/prestart.sh, you could add migrations to this file, e.g.:"
+
+echo "
+#! /usr/bin/env bash
+
+# Let the DB start
+sleep 10;
+# Run migrations
+alembic upgrade head
+"
diff --git a/python3.7/start.sh b/python3.7/start.sh
new file mode 100644
index 0000000..60718f4
--- /dev/null
+++ b/python3.7/start.sh
@@ -0,0 +1,15 @@
+#! /usr/bin/env sh
+set -e
+
+# If there's a prestart.sh script in the /app directory, run it before starting
+PRE_START_PATH=/app/prestart.sh
+echo "Checking for script in $PRE_START_PATH"
+if [ -f $PRE_START_PATH ] ; then
+    echo "Running script $PRE_START_PATH"
+    . $PRE_START_PATH
+else
+    echo "There is no script $PRE_START_PATH"
+fi
+
+# Start Supervisor, with Nginx and uWSGI
+exec /usr/bin/supervisord
diff --git a/tests/test_01_main/test_defaults.py b/tests/test_01_main/test_defaults.py
index e3eef70..b84308d 100644
--- a/tests/test_01_main/test_defaults.py
+++ b/tests/test_01_main/test_defaults.py
@@ -40,6 +40,11 @@ def verify_container(container, response_text):
     assert "wsgi-file = /app/main.py" in logs
     assert "processes = 16" in logs
     assert "cheaper = 2" in logs
+    assert "Checking for script in /app/prestart.sh" in logs
+    assert "Running script /app/prestart.sh" in logs
+    assert (
+        "Running inside /app/prestart.sh, you could add migrations to this file" in logs
+    )
     assert "spawned uWSGI master process" in logs
     assert "spawned uWSGI worker 1" in logs
     assert "spawned uWSGI worker 2" in logs
diff --git a/tests/test_01_main/test_env_vars_1.py b/tests/test_01_main/test_env_vars_1.py
index 35e9705..0eb80d9 100644
--- a/tests/test_01_main/test_env_vars_1.py
+++ b/tests/test_01_main/test_env_vars_1.py
@@ -40,6 +40,11 @@ def verify_container(container, response_text):
     assert "wsgi-file = /app/main.py" in logs
     assert "processes = 8" in logs
     assert "cheaper = 3" in logs
+    assert "Checking for script in /app/prestart.sh" in logs
+    assert "Running script /app/prestart.sh" in logs
+    assert (
+        "Running inside /app/prestart.sh, you could add migrations to this file" in logs
+    )
     assert "spawned uWSGI master process" in logs
     assert "spawned uWSGI worker 1" in logs
     assert "spawned uWSGI worker 2" in logs
diff --git a/tests/test_02_app/custom_app/latest.dockerfile b/tests/test_02_app/custom_app/latest.dockerfile
index b88cae6..f24c6a5 100644
--- a/tests/test_02_app/custom_app/latest.dockerfile
+++ b/tests/test_02_app/custom_app/latest.dockerfile
@@ -1,6 +1,7 @@
 FROM tiangolo/uwsgi-nginx:latest
 
 COPY ./application /application
+COPY ./prestart.sh /app/prestart.sh
 WORKDIR /application
 
 EXPOSE 8080
diff --git a/tests/test_02_app/custom_app/prestart.sh b/tests/test_02_app/custom_app/prestart.sh
new file mode 100644
index 0000000..72d7a76
--- /dev/null
+++ b/tests/test_02_app/custom_app/prestart.sh
@@ -0,0 +1,2 @@
+#! /usr/bin/env bash
+echo "custom prestart.sh running"
diff --git a/tests/test_02_app/custom_app/python2.7-alpine3.7.dockerfile b/tests/test_02_app/custom_app/python2.7-alpine3.7.dockerfile
index 7fe44c4..1e5f280 100644
--- a/tests/test_02_app/custom_app/python2.7-alpine3.7.dockerfile
+++ b/tests/test_02_app/custom_app/python2.7-alpine3.7.dockerfile
@@ -1,6 +1,7 @@
 FROM tiangolo/uwsgi-nginx:python2.7-alpine3.7
 
 COPY ./application /application
+COPY ./prestart.sh /app/prestart.sh
 WORKDIR /application
 
 EXPOSE 8080
diff --git a/tests/test_02_app/custom_app/python2.7-alpine3.8.dockerfile b/tests/test_02_app/custom_app/python2.7-alpine3.8.dockerfile
index 023db97..79ac639 100644
--- a/tests/test_02_app/custom_app/python2.7-alpine3.8.dockerfile
+++ b/tests/test_02_app/custom_app/python2.7-alpine3.8.dockerfile
@@ -1,6 +1,7 @@
 FROM tiangolo/uwsgi-nginx:python2.7-alpine3.8
 
 COPY ./application /application
+COPY ./prestart.sh /app/prestart.sh
 WORKDIR /application
 
 EXPOSE 8080
diff --git a/tests/test_02_app/custom_app/python2.7-alpine3.9.dockerfile b/tests/test_02_app/custom_app/python2.7-alpine3.9.dockerfile
index b436820..17181f8 100644
--- a/tests/test_02_app/custom_app/python2.7-alpine3.9.dockerfile
+++ b/tests/test_02_app/custom_app/python2.7-alpine3.9.dockerfile
@@ -1,6 +1,7 @@
 FROM tiangolo/uwsgi-nginx:python2.7-alpine3.9
 
 COPY ./application /application
+COPY ./prestart.sh /app/prestart.sh
 WORKDIR /application
 
 EXPOSE 8080
diff --git a/tests/test_02_app/custom_app/python2.7.dockerfile b/tests/test_02_app/custom_app/python2.7.dockerfile
index 21204cc..188926b 100644
--- a/tests/test_02_app/custom_app/python2.7.dockerfile
+++ b/tests/test_02_app/custom_app/python2.7.dockerfile
@@ -1,6 +1,7 @@
 FROM tiangolo/uwsgi-nginx:python2.7
 
 COPY ./application /application
+COPY ./prestart.sh /app/prestart.sh
 WORKDIR /application
 
 EXPOSE 8080
diff --git a/tests/test_02_app/custom_app/python3.5.dockerfile b/tests/test_02_app/custom_app/python3.5.dockerfile
index f35f790..b4dbae8 100644
--- a/tests/test_02_app/custom_app/python3.5.dockerfile
+++ b/tests/test_02_app/custom_app/python3.5.dockerfile
@@ -1,6 +1,7 @@
 FROM tiangolo/uwsgi-nginx:python3.5
 
 COPY ./application /application
+COPY ./prestart.sh /app/prestart.sh
 WORKDIR /application
 
 EXPOSE 8080
diff --git a/tests/test_02_app/custom_app/python3.6-alpine3.7.dockerfile b/tests/test_02_app/custom_app/python3.6-alpine3.7.dockerfile
index 5c0a52a..09f09fa 100644
--- a/tests/test_02_app/custom_app/python3.6-alpine3.7.dockerfile
+++ b/tests/test_02_app/custom_app/python3.6-alpine3.7.dockerfile
@@ -1,6 +1,7 @@
 FROM tiangolo/uwsgi-nginx:python3.6-alpine3.7
 
 COPY ./application /application
+COPY ./prestart.sh /app/prestart.sh
 WORKDIR /application
 
 EXPOSE 8080
diff --git a/tests/test_02_app/custom_app/python3.6-alpine3.8.dockerfile b/tests/test_02_app/custom_app/python3.6-alpine3.8.dockerfile
index 075fbe4..bb2cd77 100644
--- a/tests/test_02_app/custom_app/python3.6-alpine3.8.dockerfile
+++ b/tests/test_02_app/custom_app/python3.6-alpine3.8.dockerfile
@@ -1,6 +1,7 @@
 FROM tiangolo/uwsgi-nginx:python3.6-alpine3.8
 
 COPY ./application /application
+COPY ./prestart.sh /app/prestart.sh
 WORKDIR /application
 
 EXPOSE 8080
diff --git a/tests/test_02_app/custom_app/python3.6-alpine3.9.dockerfile b/tests/test_02_app/custom_app/python3.6-alpine3.9.dockerfile
index 96434e3..70e0fae 100644
--- a/tests/test_02_app/custom_app/python3.6-alpine3.9.dockerfile
+++ b/tests/test_02_app/custom_app/python3.6-alpine3.9.dockerfile
@@ -1,6 +1,7 @@
 FROM tiangolo/uwsgi-nginx:python3.6-alpine3.9
 
 COPY ./application /application
+COPY ./prestart.sh /app/prestart.sh
 WORKDIR /application
 
 EXPOSE 8080
diff --git a/tests/test_02_app/custom_app/python3.6.dockerfile b/tests/test_02_app/custom_app/python3.6.dockerfile
index 6c2a624..227bcf7 100644
--- a/tests/test_02_app/custom_app/python3.6.dockerfile
+++ b/tests/test_02_app/custom_app/python3.6.dockerfile
@@ -1,6 +1,7 @@
 FROM tiangolo/uwsgi-nginx:python3.6
 
 COPY ./application /application
+COPY ./prestart.sh /app/prestart.sh
 WORKDIR /application
 
 EXPOSE 8080
diff --git a/tests/test_02_app/custom_app/python3.7-alpine3.7.dockerfile b/tests/test_02_app/custom_app/python3.7-alpine3.7.dockerfile
index 3917ed0..e22d019 100644
--- a/tests/test_02_app/custom_app/python3.7-alpine3.7.dockerfile
+++ b/tests/test_02_app/custom_app/python3.7-alpine3.7.dockerfile
@@ -1,6 +1,7 @@
 FROM tiangolo/uwsgi-nginx:python3.7-alpine3.7
 
 COPY ./application /application
+COPY ./prestart.sh /app/prestart.sh
 WORKDIR /application
 
 EXPOSE 8080
diff --git a/tests/test_02_app/custom_app/python3.7-alpine3.8.dockerfile b/tests/test_02_app/custom_app/python3.7-alpine3.8.dockerfile
index a47a5b8..14bd813 100644
--- a/tests/test_02_app/custom_app/python3.7-alpine3.8.dockerfile
+++ b/tests/test_02_app/custom_app/python3.7-alpine3.8.dockerfile
@@ -1,6 +1,7 @@
 FROM tiangolo/uwsgi-nginx:python3.7-alpine3.8
 
 COPY ./application /application
+COPY ./prestart.sh /app/prestart.sh
 WORKDIR /application
 
 EXPOSE 8080
diff --git a/tests/test_02_app/custom_app/python3.7-alpine3.9.dockerfile b/tests/test_02_app/custom_app/python3.7-alpine3.9.dockerfile
index ad2ef02..e5d34d0 100644
--- a/tests/test_02_app/custom_app/python3.7-alpine3.9.dockerfile
+++ b/tests/test_02_app/custom_app/python3.7-alpine3.9.dockerfile
@@ -1,6 +1,7 @@
 FROM tiangolo/uwsgi-nginx:python3.7-alpine3.9
 
 COPY ./application /application
+COPY ./prestart.sh /app/prestart.sh
 WORKDIR /application
 
 EXPOSE 8080
diff --git a/tests/test_02_app/custom_app/python3.7.dockerfile b/tests/test_02_app/custom_app/python3.7.dockerfile
index 21874c3..5c8adf9 100644
--- a/tests/test_02_app/custom_app/python3.7.dockerfile
+++ b/tests/test_02_app/custom_app/python3.7.dockerfile
@@ -1,6 +1,7 @@
 FROM tiangolo/uwsgi-nginx:python3.7
 
 COPY ./application /application
+COPY ./prestart.sh /app/prestart.sh
 WORKDIR /application
 
 EXPOSE 8080
diff --git a/tests/test_02_app/test_app_and_env_vars.py b/tests/test_02_app/test_app_and_env_vars.py
index 473c0d1..164dad7 100644
--- a/tests/test_02_app/test_app_and_env_vars.py
+++ b/tests/test_02_app/test_app_and_env_vars.py
@@ -40,6 +40,9 @@ def verify_container(container, response_text):
     assert "wsgi-file = /application/custom_app/main.py" in logs
     assert "processes = 16" in logs
     assert "cheaper = 2" in logs
+    assert "Checking for script in /app/prestart.sh" in logs
+    assert "Running script /app/prestart.sh" in logs
+    assert "custom prestart.sh running" in logs
     assert "spawned uWSGI master process" in logs
     assert "spawned uWSGI worker 1" in logs
     assert "spawned uWSGI worker 2" in logs
diff --git a/tests/test_02_app/test_custom_nginx_app.py b/tests/test_02_app/test_custom_nginx_app.py
index 906cf36..1cc3557 100644
--- a/tests/test_02_app/test_custom_nginx_app.py
+++ b/tests/test_02_app/test_custom_nginx_app.py
@@ -41,6 +41,11 @@ def verify_container(container, response_text):
     assert "wsgi-file = /app/main.py" in logs
     assert "processes = 16" in logs
     assert "cheaper = 2" in logs
+    assert "Checking for script in /app/prestart.sh" in logs
+    assert "Running script /app/prestart.sh" in logs
+    assert (
+        "Running inside /app/prestart.sh, you could add migrations to this file" in logs
+    )
     assert "spawned uWSGI master process" in logs
     assert "spawned uWSGI worker 1" in logs
     assert "spawned uWSGI worker 2" in logs
diff --git a/tests/test_02_app/test_simple_app.py b/tests/test_02_app/test_simple_app.py
index 5044176..01c8cf9 100644
--- a/tests/test_02_app/test_simple_app.py
+++ b/tests/test_02_app/test_simple_app.py
@@ -40,6 +40,11 @@ def verify_container(container, response_text):
     assert "wsgi-file = /app/main.py" in logs
     assert "processes = 16" in logs
     assert "cheaper = 2" in logs
+    assert "Checking for script in /app/prestart.sh" in logs
+    assert "Running script /app/prestart.sh" in logs
+    assert (
+        "Running inside /app/prestart.sh, you could add migrations to this file" in logs
+    )
     assert "spawned uWSGI master process" in logs
     assert "spawned uWSGI worker 1" in logs
     assert "spawned uWSGI worker 2" in logs