CI test #6 (+5 squashed commit)

Squashed commit:

[c6787e1] CI test #5

[ad1003e] CI test #4

[3d4607c] CI test #3

[97b1961] CI test #2

[4cab727] CI test #1

.drone.yml

@@ -0,0 +1,48 @@
+kind: pipeline
+type: docker
+name: compile
+
+steps:
+  # - name: restore-pkg
+  #   image: drillster/drone-volume-cache
+  #   volumes:
+  #     - name: cache
+  #       path: /cache
+  #   settings:
+  #     restore: true
+  #     mount:
+  #       - $GOPATH/pkg
+
+  # - name: test
+  #   image: eigeen/golang-devops:1.18
+  #   commands:
+  #   - go test
+
+  - name: build
+    image: golang:1.18
+    environments:
+      - CGO_ENABLED=0
+      - GOOS=linux
+      - GOARCH=amd64
+    commands:
+    - go build
+  
+  # - name: rebuild-pkg
+  #   image: drillster/drone-volume-cache
+  #   volumes:
+  #     - name: cache
+  #       path: /cache
+  #   settings:
+  #     rebuild: true
+  #     mount:
+  #       - $GOPATH/pkg
+  #   #当对应条件的时候才会执行
+  #   when:
+  #     status:
+  #       - success
+  #       - failure
+
+# volumes:
+#   - name: cache
+#     host:
+#       path: /tmp/cache