Improved Application/DB

docker-compose.yml

@@ -1,8 +1,37 @@
 services:
+  db:
+    image: postgres:16-alpine
+    container_name: demo-db
+    restart: unless-stopped
+    environment:
+      POSTGRES_USER: ${DB_USER}
+      POSTGRES_PASSWORD: ${DB_PASS}
+      POSTGRES_DB: ${DB_NAME}
+    volumes:
+      - db-data:/var/lib/postgresql/data
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U ${DB_USER}"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+
   app:
     image: demo-app:latest
     container_name: demo-app
     restart: unless-stopped
+    environment:
+      - DB_USER=${DB_USER}
+      - DB_PASS=${DB_PASS}
+      - DB_NAME=${DB_NAME}
+    depends_on:
+      db:
+        condition: service_healthy
+    healthcheck:
+      test: ["CMD", "wget", "--spider", "http://localhost:5000"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+
   nginx:
     image: jonasal/nginx-certbot:latest
     container_name: demo-nginx
@@ -12,14 +41,25 @@ services:
       - 4433:443
     environment:
       - CERTBOT_EMAIL=the.dark.mist23@gmail.com
-      - ENVSUBST_TEMPLATE_SUFFIX=.tmpl # Enables template processing if needed
-      - CERTBOT_DISABLED=true  # Disable auto Certbot to use manual certs
+      - ENVSUBST_TEMPLATE_SUFFIX=.tmpl
+      - CERTBOT_DISABLED=true
     volumes:
       - ./nginx_user_conf.d:/etc/nginx/conf.d/
       - letsencrypt:/etc/letsencrypt
-      - /home/devroot/demo/certs/fullchain.pem:/etc/nginx/ssl/origin_cert.pem:ro # Mount cert
-      - /home/devroot/demo/certs/prvkey.pem:/etc/nginx/ssl/origin_key.key:ro # Mount key
+      - /home/devroot/demo/certs/fullchain.pem:/etc/nginx/ssl/origin_cert.pem:ro
+      - /home/devroot/demo/certs/prvkey.pem:/etc/nginx/ssl/origin_key.key:ro
     depends_on:
-      - app
+      app:
+        condition: service_healthy
+    logging:
+      driver: json-file
+      options:
+        max-size: 10m
+
+networks:
+  default:
+    driver: bridge
+
 volumes:
   letsencrypt:
+  db-data: