Add Docker configuration and environment setup for Tennis Roots project

docker-compose.yml

@@ -0,0 +1,27 @@
+services:
+  tennis-roots:
+    build:
+      context: ./server
+      dockerfile: Dockerfile
+    container_name: ${CONTAINER_NAME:-tennis-roots}
+    restart: unless-stopped
+    security_opt:
+      - no-new-privileges:true
+    networks:
+      - ${TRAEFIK_NETWORK:-traefik-public}
+    labels:
+      - "traefik.enable=true"
+      - "traefik.docker.network=${TRAEFIK_NETWORK:-traefik-public}"
+      - "traefik.http.routers.tennis-roots.rule=Host(`${DOMAIN:-tennis.localhost}`)"
+      - "traefik.http.routers.tennis-roots.entrypoints=${ENTRYPOINT:-https}"
+      - "traefik.http.routers.tennis-roots.tls=true"
+      - "traefik.http.routers.tennis-roots.tls.certresolver=${CERT_RESOLVER:-letsencrypt}"
+      - "traefik.http.services.tennis-roots.loadbalancer.server.port=${INTERNAL_PORT:-3000}"
+      # Middleware per WebSocket (upgrade HTTP→WS)
+      - "traefik.http.routers.tennis-roots.middlewares=tennis-roots-headers"
+      - "traefik.http.middlewares.tennis-roots-headers.headers.customrequestheaders.X-Forwarded-Proto=https"
+      - "traefik.http.middlewares.tennis-roots-headers.headers.customresponseheaders.X-Robots-Tag=noindex"
+
+networks:
+  ${TRAEFIK_NETWORK:-traefik-public}:
+    external: true