Add Docker, Nginx, and Gitea workflow configuration

docker-compose.yml

@@ -0,0 +1,21 @@
+name: tools-app
+
+services:
+  tools-app:
+    container_name: tools-app
+    build:
+      context: .
+      dockerfile: Dockerfile
+    ports:
+      - "8091:80"
+    expose:
+      - "80"
+    restart: unless-stopped
+    # volumes:
+    #   - ./nginx.conf:/etc/nginx/conf.d/default.conf:ro
+    networks:
+      - npm_public
+
+networks:
+  npm_public:
+    external: true