improvement: docker infrastructure overhauled.

infrastructure/docker-compose.yml

@@ -1,11 +1,14 @@
+# Copy .env.docker.example to .env.docker and adjust (optional).
+# Defaults below are for local development only.
+
 services:
   postgres:
     image: postgres:15-alpine
     container_name: dyolink_db_container
     environment:
-      POSTGRES_USER: postgres
-      POSTGRES_PASSWORD: 1234
-      POSTGRES_DB: dyolink_db
+      POSTGRES_USER: ${POSTGRES_USER:-postgres}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-dyolink_dev_change_me}
+      POSTGRES_DB: ${POSTGRES_DB:-dyolink_db}
     ports:
       - "5433:5432"
     volumes:
@@ -16,7 +19,7 @@ services:
       - dyolink_network
     restart: unless-stopped
     healthcheck:
-      test: ["CMD-SHELL", "pg_isready -U postgres"]
+      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-postgres}"]
       interval: 10s
       timeout: 5s
       retries: 5
@@ -30,7 +33,7 @@ services:
     env_file:
       - ../backend/.env
     environment:
-      - DATABASE_URL=postgresql://postgres:1234@postgres:5432/dyolink_db
+      - DATABASE_URL=postgresql://${POSTGRES_USER:-postgres}:${POSTGRES_PASSWORD:-dyolink_dev_change_me}@postgres:5432/${POSTGRES_DB:-dyolink_db}
       - FRONTEND_URL=http://frontend:3000
       - PORT=3000
     ports:
@@ -73,10 +76,7 @@ services:
       - frontend
     ports:
       - "8080:80"
-      - "8443:443"
     volumes:
-      - ./nginx/nginx.conf:/etc/nginx/conf.d/default.conf:ro
-      - ./ssl:/etc/nginx/ssl:ro
       - ./logs/nginx:/var/log/nginx
     networks:
       - dyolink_network