chore: blue-green 방식 무중단 배포 적용

docker-compose-prod.yml

@@ -99,8 +99,8 @@ services:
     networks:
       - mvs
 
-  backend:
-    container_name: MVStudio-Backend
+  backend-blue:
+    container_name: MVStudio-Backend-blue
     build:
       context: ./MVStudio-Backend
     volumes:
@@ -126,7 +126,40 @@ services:
             python manage.py makemigrations member &&
             python manage.py makemigrations music_videos &&
             python manage.py migrate &&
-            python manage.py search_index --create &&
+            if [ '$$INIT_INDEX' = 'false' ]; then
+                python manage.py search_index --create &&
+                export INIT_INDEX=true
+                fi &&
+            python manage.py search_index --rebuild -f&&
+            gunicorn --bind 0.0.0.0:8000 config.wsgi:application -w 2"
+
+  backend-green:
+    container_name: MVStudio-Backend-green
+    build:
+      context: ./MVStudio-Backend
+    volumes:
+      - static_volume:/MVStudio-Backend/static
+      - ./MVStudio-Backend:/MVStudio-Backend
+    ports:
+      - '8001:8000'
+    depends_on:
+      redis:
+        condition: service_started
+      rabbitmq:
+        condition: service_started
+      elasticsearch:
+        condition: service_healthy
+#      db:
+#        condition: service_started
+    networks:
+      - mvs
+    restart: always
+    command: >
+      sh -c "
+            python manage.py makemigrations &&
+            python manage.py makemigrations member &&
+            python manage.py makemigrations music_videos &&
+            python manage.py migrate &&
             python manage.py search_index --rebuild -f&&
             gunicorn --bind 0.0.0.0:8000 config.wsgi:application -w 2"
 
@@ -139,8 +172,6 @@ services:
       - ./MVStudio-Frontend/:/MVStudio-Frontend
       - build_folder:/MVStudio-Frontend/dist
       - ./MVStudio-Frontend/node_modules/:/MVStudio-Frontend/node_modules
-    depends_on:
-      - backend
     tty: true
 
   nginx:
@@ -157,7 +188,6 @@ services:
       - ./certbot/www:/var/www/certbot
     depends_on:
       - frontend
-      - backend
     networks:
       - mvs
 

nginx/Dockerfile

@@ -3,5 +3,6 @@ FROM nginx:latest
 
 RUN rm /etc/nginx/conf.d/default.conf
 COPY nginx.conf /etc/nginx/conf.d
+COPY app /etc/nginx/conf.d/app
 
 CMD [ "nginx", "-g", "daemon off;" ]

nginx/app/service-url-blue.inc

@@ -0,0 +1 @@
+set $service_url "http://backend-blue:8000";

nginx/app/service-url-green.inc

@@ -0,0 +1 @@
+set $service_url "http://backend-green:8001";

nginx/app/service-url.inc

@@ -0,0 +1 @@
+set $service_url "http://backend-blue:8000";

nginx/nginx.conf

@@ -18,6 +18,7 @@ server {
 }
 
 server{
+    include /etc/nginx/conf.d/app/service-url.inc;
     listen 443 ssl;
     server_name mvstudio.pro;
     charset utf-8;
@@ -30,7 +31,7 @@ server{
     ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem;
 
     location /api {
-        proxy_pass http://backend:8000;
+        proxy_pass $service_url;
         proxy_set_header Host $host;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;