ci: add drone.yml file

.drone.yml

@@ -0,0 +1,65 @@
+---
+kind: pipeline
+type: docker
+name: default
+
+steps:
+  - name: debug
+    image: alpine
+    commands:
+      - 'echo "Repository: glenux/service-drone-runner"'
+      - 'echo "Git commit: ${DRONE_COMMIT_SHA:0:8}"'
+
+  - name: publish:commit_sha
+    image: plugins/docker
+    # pull: never
+    # volumes:
+    #   - name: cache
+    #     path: /stupid
+    environment:
+      DOCKER_REPO: glenux/service-drone-runner
+    settings:
+      username:
+        from_secret: DOCKERHUB_USERNAME
+      password:
+        from_secret: DOCKERHUB_PASSWORD
+      cache_from: "glenux/service-drone-runner:latest_${DRONE_BRANCH/\\//-}"
+      repo: glenux/service-drone-runner
+      tags: "${DRONE_COMMIT_SHA:0:8}"
+      purge: false
+
+  - name: publish:commit_branch
+    image: plugins/docker
+    # volumes:
+    #   - name: cache
+    #     path: /stupid
+    settings:
+      username:
+        from_secret: DOCKERHUB_USERNAME
+      password:
+        from_secret: DOCKERHUB_PASSWORD
+      cache_from: "glenux/service-drone-runner:latest_${DRONE_BRANCH/\\//-}"
+      repo: glenux/service-drone-runner
+      tags: "latest_${DRONE_BRANCH/\\//-}"
+      purge: false
+    when:
+      branch:
+        - "master"
+        - "develop"
+        - "feature/*"
+
+  - name: publish:latest
+    image: plugins/docker
+    settings:
+      username:
+        from_secret: DOCKERHUB_USERNAME
+      password:
+        from_secret: DOCKERHUB_PASSWORD
+      cache_from: "glenux/service-drone-runner:latest_${DRONE_BRANCH/\\//-}"
+      repo: glenux/service-drone-runner
+      tags: latest
+      purge: false
+    when:
+      branch:
+        - master
+