Workaround "Could not connect to azure.archive.ubuntu.com:80"

Author: sebthom

.github/workflows/build.yml

@@ -47,10 +47,18 @@ jobs:
         restore-keys: |
           ${{ runner.os }}-trivy-
 
+    - name: Configure APT
+      run: |
+        # Workaround to avoid sporadic connectivity issues "Could not connect to azure.archive.ubuntu.com:80"
+        # see https://github.com/actions/virtual-environments/issues/675
+        echo 'APT::Acquire::Retries "3";' | sudo tee /etc/apt/apt.conf.d/80-acquire-retries
+        if ! curl --max-time 3 --output /dev/null --silent --head --fail "http://azure.archive.ubuntu.com/ubuntu/dists/"; then
+          sudo sed -i 's/azure\.//' /etc/apt/sources.list
+          sudo apt-get update
+        fi
+
     - name: Install dos2unix
-      # using '-o Acquire::Retries=3' to workaround sporadic connectivity issues "Could not connect to azure.archive.ubuntu.com:80"
-      # see https://github.com/actions/virtual-environments/issues/675
-      run: sudo apt-get install -o Acquire::Retries=3 --no-install-recommends -y dos2unix
+      run: sudo apt-get install --no-install-recommends -y dos2unix
 
     - name: Build docker image
       shell: bash