[!] add docker job to the Release workflow, closes #446 (#448)

* add tag_semver: true
* add `docker` job to the `Release` workflow
* fix `pgwatch2_git_version` on WebUI versions page, fixes #447
* add `latest` tag to released docker images

.github/workflows/release.yml

@@ -1,20 +1,24 @@
 name: Release
 on:
   push:
+    # ignore all branches
     branches-ignore:
-      - '*'
+      - '*'  
+    # run for every tag with version string
     tags:
       - v[0-9]+.[0-9]+.[0-9]+*
+
 jobs:
-  build:
+
+  goreleaser:
+    if: true # false to skip job during debug
     runs-on: ubuntu-latest
-    name: goreleaser
     steps:
 
     - name: Set up Golang
       uses: actions/setup-go@v2
       with:
-        go-version: '1.14'
+        go-version: '1.17'
 
     - name: Check out code into the Go module directory
       uses: actions/checkout@v2
@@ -27,13 +31,36 @@ jobs:
       with:
         args: release
       env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}  
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  docker:
+    if: true # false to skip job during debug
+    strategy:
+      fail-fast: true
+      matrix:
+        image: ['', '-postgres', '-nonroot', '-daemon', '-db-bootstrapper']    
+    runs-on: ubuntu-latest
+    steps:
+
+    - name: Check out code
+      uses: actions/checkout@v2
+
+    - name: Version strings
+      id: version
+      run: |
+        echo "::set-output name=RELEASE_VERSION::$(echo "$GITHUB_REF_NAME#${GITHUB_SHA:0:6}")"
+        echo "::set-output name=RELEASE_TIME::$(git show -s --format=%cI HEAD)"
 
     - name: Publish to Registry
       uses: elgohr/Publish-Docker-Github-Action@master
+      env:
+        GIT_HASH: ${{ steps.version.outputs.RELEASE_VERSION }}
+        GIT_TIME: ${{ steps.version.outputs.RELEASE_TIME }}     
       with:
-        name: cybertecpostgresql/pgwatch2-nonroot
-        dockerfile: docker/Dockerfile-nonroot
+        name: cybertec/pgwatch2${{ matrix.image }}
         username: ${{ secrets.DOCKER_USERNAME }}
         password: ${{ secrets.DOCKER_PASSWORD }}
-        tag_semver: true            
+        dockerfile: docker/Dockerfile${{ matrix.image }}
+        buildargs: GIT_HASH,GIT_TIME
+        tags: "latest"
+        tag_semver: true        

docker/Dockerfile-nonroot

@@ -77,9 +77,6 @@ RUN pip3 install psutil pyyaml
 
 ADD grafana_dashboards /pgwatch2/grafana_dashboards
 
-# For showing all component versions via :8080/versions. Assuming project is cloned from Github here
-COPY .git/refs/heads/master /pgwatch2/build_git_version.txt
-
 # Set up supervisord [https://docs.docker.com/engine/admin/using_supervisord/]
 COPY supervisord-nonroot.conf /etc/supervisor/supervisord.conf
 

docker/Dockerfile-postgres

@@ -49,7 +49,6 @@ RUN echo "${GIT_HASH} ${GIT_TIME}" > /pgwatch2/build_git_version.txt
 RUN cp /pgwatch2/bootstrap/grafana_custom_config.ini /etc/grafana/grafana.ini \
     && pip3 install -r /pgwatch2/webpy/requirements_pg_metrics.txt \
     && pip2 install psutil \
-    && echo "$GIT_HASH" > /pgwatch2/build_git_version.txt \
     && grafana-cli plugins install savantly-heatmap-panel \
     && pip3 install supervisor pyyaml && mkdir /var/log/supervisor