feat: add sample worker

.gitignore

@@ -1 +1,2 @@
 artifact.txt
+.env

docker-compose.yml

@@ -0,0 +1,17 @@
+version: '2'
+services:
+  drone-worker:
+    image: drone/drone-runner-docker:1
+    restart: "always"
+    environment:
+      - "DRONE_RPC_PROTO=https"
+      - "DRONE_RPC_HOST=ci.unlock-music.dev"
+      - "DRONE_RUNNER_CAPACITY=2"
+      - "DRONE_RESOURCE_LIMIT_CPU=0.3"
+      # 从 .env 文件读取
+      - "DRONE_RUNNER_NAME=${DRONE_RUNNER_NAME}"
+      - "DRONE_RPC_SECRET=${DRONE_RPC_SECRET}"
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+    ports:
+      - 0.0.0.0:8080:8080