refactor: streamline Docker setup and entrypoint script (#105)

Dockerfile

@@ -2,6 +2,7 @@
 ARG RUST_VERSION=1.82.0@sha256:33a0ea4769482be860174e1139c457bdcb2a236a988580a28c3a48824cbc17d6
 
 FROM rust:$RUST_VERSION
+WORKDIR /app
 
 # renovate: datasource=crate depName=diesel_cli versioning=semver
 ARG DIESEL_CLI_VERSION=2.2.4
@@ -11,9 +12,9 @@ RUN apt-get update \
     && rm -rf /var/lib/apt/lists/* \
     && cargo install diesel_cli --version $DIESEL_CLI_VERSION --no-default-features --features postgres
 
-WORKDIR /app
-COPY . /app
+COPY . .
 
-RUN chmod +x /app/docker_entrypoint.sh
+RUN cargo build --release \
+    && chmod +x /app/docker_entrypoint.sh
 
-ENTRYPOINT ["/app/docker_entrypoint.sh"]
+ENTRYPOINT ["/app/docker_entrypoint.sh"]

docker_entrypoint.sh

@@ -8,15 +8,15 @@ echo "Waiting for PostgreSQL to be ready..."
 
 # Check for database readiness
 until diesel migration run --locked-schema; do
-  COUNTER=$((COUNTER + 1))
-  if [ "$COUNTER" -ge "$RETRIES" ]; then
-    echo "Exceeded maximum retries, exiting."
-    exit 1
-  fi
+	COUNTER=$((COUNTER + 1))
+	if [ "$COUNTER" -ge "$RETRIES" ]; then
+		echo "Exceeded maximum retries, exiting."
+		exit 1
+	fi
 
-  echo "Migrations failed, retrying in 5 seconds... (Attempt $COUNTER/$RETRIES)"
-  sleep 5
+	echo "Migrations failed, retrying in 5 seconds... (Attempt $COUNTER/$RETRIES)"
+	sleep 5
 done
 
 echo "Migrations ran successfully, starting the application..."
-exec cargo run --release
+exec ./target/release/izumo