Use a re-usable workflow from org to publish container images

.github/workflows/build-and-publish-container-image-then-build-qgreenland-core.yml

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+name: "Build and publish container image, then (if tag) trigger QGreenland Core build"
+# When a push to the default branch occurs, build and release a "latest" image
+# When a tag `vX.Y.Z` push occurs, build and release an image with that tag
+
+on:
+  push:
+    branches:
+      - "main"
+    tags:
+      - "v[0-9]+.[0-9]+.[0-9]+*"
+
+
+jobs:
+
+  build-and-release-image:
+    uses: "nsidc/.github/.github/workflows/build-and-publish-container-image.yml@main"
+    secrets: "inherit"
+
+
+  build-package:
+    name: "Build QGreenland project (if tag)"
+    runs-on: "ubuntu-latest"
+    needs: ["build-and-release-image"]
+    if: "github.ref_type == 'tag'"
+    steps:
+      - name: "Trigger Jenkins to build QGreenland Core"
+        run: |
+          JOB_NAME="qgreenland_C3_Production_Build_QGreenland_Package"
+          JOB_URL="${{ secrets.JENKINS_URL }}/job/${JOB_NAME}"
+          JOB_BUILD_URL="${JOB_URL}/buildWithParameters?ref=${{ github.ref_name }}&delay=5sec"
+
+          wget "$JOB_BUILD_URL"

.github/workflows/test.yml

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+name: "Test"
+
+on:
+  push:
+    branches:
+      - "main"
+  pull_request:
+
+
+# Default to bash in login mode; key to activating conda environment
+# https://github.com/mamba-org/provision-with-micromamba#IMPORTANT
+defaults:
+  run:
+    shell: "bash -l {0}"
+
+
+jobs:
+  test:
+    name: "Run tests"
+    runs-on: "ubuntu-latest"
+    steps:
+      - name: "Check out repository"
+        uses: "actions/checkout@v3"
+
+      - name: "Apt install libgl1-mesa-glx"
+        run: |
+          # Install libgl1-mesa-glx. Import errors occur otherwise.
+          # See: https://app.circleci.com/jobs/github/nsidc/qgreenland/72/parallel-runs/0/steps/0-102
+          sudo apt-get update
+          sudo apt-get install -y libgl1-mesa-glx
+
+      - name: "Install Conda environment"
+        uses: "mamba-org/setup-micromamba@v1"
+        with:
+          environment-file: "environments/main/conda-lock.yml"
+          # When using a lock-file, we have to set an environment name.
+          environment-name: "qgreenland-ci"
+          cache-environment: true
+          # Increase this key to trigger cache invalidation
+          cache-environment-key: 1
+
+      - name: "Run tests"
+        run: "inv test.ci"
+        env:
+          # QGIS complains when setting up an QgsApplicatoin if `QT_QPA_PLATFORM` is not
+          # set to `offscreen`:
+          #     qt.qpa.xcb: could not connect to display
+          #     qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even
+          #     though it was found.
+          #     This application failed to start because no Qt
+          #     platform plugin could be initialized. Reinstalling the application
+          #     may fix this problem.
+          #
+          #     Available platform plugins are: eglfs, minimal, minimalegl,
+          #     offscreen, vnc, webgl, xcb.
+          #
+          #     Fatal Python error: Aborted
+          QT_QPA_PLATFORM: offscreen
+
+
+  test-build-container-image:
+    name: "Test container image build"
+    # The build will happen for real on pushes to the main branch, so only do
+    # the test on PRs.
+    if: "github.event_name == 'pull_request'"
+    runs-on: "ubuntu-latest"
+    needs: ["test"]
+    steps:
+      - name: "Check out repository"
+        uses: "actions/checkout@v3"
+
+      - name: "Build container image"
+        run: |
+          docker build  .