docker: add support for Docker Compose

docker-compose.yml

+version: "3"
+
+services:
+  frontend:
+    build:
+      context: ${FRONTEND:-.}
+      dockerfile: Dockerfile
+    image: webapparch/frontend:latest
+    restart: unless-stopped
+    ports:
+      - "8080:80/tcp"
+    cap_drop:
+      - ALL
+    cap_add:
+      - CHOWN
+      - NET_BIND_SERVICE
+      - SETUID
+      - SETGID