moving to environment variables

docker-compose.yml

@@ -4,16 +4,19 @@ networks:
 
 services:
   nginx:
+    build:
+      context: ./nginx
+      dockerfile: Dockerfile
     container_name: nginx
+    environment:
+      BACKEND_HOST: "${BACKEND_HOST}" # from .env
     restart: unless-stopped
-    image: nginx
     networks:
       - app-network
     ports:
       - 80:80
       - 443:443
     volumes:
-      - ./nginx/nginx.conf:/etc/nginx/nginx.conf
       - ./certbot/conf:/etc/letsencrypt
       - ./certbot/www:/var/www/certbot
       - ./html/:/etc/nginx/html:ro
@@ -38,7 +41,7 @@ services:
       - db
     networks:
       - app-network
-    env_file: 
+    env_file:
       - ./.env
 
   db: