Avoid exposing internal ports

Dockerfile.dev

@@ -38,5 +38,5 @@ COPY --from=build /rails /rails
 ENTRYPOINT ["/rails/bin/docker-entrypoint"]
 
 # Start the server by default, this can be overwritten at runtime
-EXPOSE 3001
+EXPOSE 3000
 CMD ["./bin/rails", "server", "--binding=0.0.0.0"]

docker-compose.yml

@@ -4,17 +4,28 @@ services:
       context: .
       dockerfile: Dockerfile.dev
     ports:
-      - "3001:3001"
+      - 3000
     depends_on:
-      - db
+      db:
+        condition: service_healthy
+    environment: 
+      DATABASE_URL: postgres://postgres:postgres@db:5432/postgres
+      RAILS_ENV: development
+  workers:
+    build:
+      context: .
+      dockerfile: Dockerfile.dev
+    entrypoint: bin/jobs
+    depends_on:
+      db:
+        condition: service_healthy
     environment: 
       DATABASE_URL: postgres://postgres:postgres@db:5432/postgres
       RAILS_ENV: development
-      PORT: 3001
   frontend:
     build: ../wedding-planner-frontend
     ports:
-      - 3000:3000
+      - 3000
     depends_on:
       - backend
   nginx:
@@ -34,5 +45,10 @@ services:
       POSTGRES_USER: postgres
       POSTGRES_PASSWORD: postgres
       POSTGRES_DB: postgres
+    healthcheck:
+      test: ['CMD-SHELL', 'pg_isready -U postgres']
+      interval: 10s
+      timeout: 5s
+      retries: 5
 
    

nginx.conf

@@ -3,7 +3,7 @@ server {
     server_name libre-wedding-planner.app.localhost;
 
     location /api/ {
-        proxy_pass http://backend:3001/;
+        proxy_pass http://backend:3000/;
         proxy_set_header Host $http_host;
     }