Docker build and push to Docker Hub in the CI

.github/workflows/ci.yml

@@ -87,3 +87,30 @@ jobs:
         with:
           command: tarpaulin
           args: --coveralls $TOKEN --avoid-cfg-tarpaulin # @TODO restore to normal (https://github.com/xd009642/tarpaulin/issues/756#issuecomment-838769320)
+
+  dockerhub:
+    name: Docker build and push to Docker Hub
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Pull repository
+        uses: actions/checkout@v2
+
+      - name: Setup Qemu action
+        uses: docker/setup-qemu-action@v1
+
+      - name: Setup build action
+        uses: docker/setup-buildx-action@v1
+
+      - name: Login action
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Push to Docker Hub
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          push: 'true'
+          tags: clevercloud/sozu:${{ github.sha }}

os-build/docker/config.toml

@@ -5,7 +5,7 @@
 # path to a file sozu can use to load an initial configuration state for its
 # routing. You can generate this file from sozu's current routing by running
 # the command `sozuctl state save -f state.json`
-saved_state = "/var/lib/sozu/state.json"
+# saved_state = "/var/lib/sozu/state.json"
 
 # logging verbosity. Possible values are "error", "warn", "info", "debug" and
 # "trace". For performance reasons, the logs at "debug" or "trace" level are