moved project local resources to an example

example/docker-compose.yml

@@ -0,0 +1,40 @@
+services:
+  claude-code:
+    build: .
+    image: claude-code:local
+    container_name: claude-code
+
+    volumes:
+      # Fixed home volume — persists Claude Code install, config, and credentials
+      # across container restarts and image rebuilds.
+      - claude-home:/home/coder
+
+      # Swappable project folder — override PROJECT_DIR to point at any directory:
+      #   PROJECT_DIR=/path/to/myproject docker compose run --rm claude-code
+      - ${PROJECT_DIR:-./code}:/code
+
+    # Drop all Linux capabilities except NET_BIND_SERVICE, which socat needs
+    # to proxy port 5432 on 127.0.0.1 inside the container.
+    cap_drop:
+      - ALL
+    cap_add:
+      - NET_BIND_SERVICE
+    security_opt:
+      - no-new-privileges:true
+
+    # Allow the container to reach the host's network (e.g. a local postgres).
+    # On Linux, host.docker.internal isn't automatic — this creates it.
+    # On Mac/Windows Docker Desktop it's already available but this is harmless.
+    extra_hosts:
+      - "host.docker.internal:host-gateway"
+
+    # Interactive terminal so `claude` works properly
+    stdin_open: true
+    tty: true
+
+    working_dir: /code
+
+volumes:
+  claude-home:
+    # Named volume — Docker manages it; survives `docker compose down`
+    # (use `docker compose down -v` to wipe it along with the install)