Use redis:6-bullseye to support old systems, update GitHub test workflow (#17)

Co-authored-by: Randy Fay <[email protected]>

Author: stasadev

.github/workflows/tests.yml

@@ -24,10 +24,10 @@ permissions:
 
 env:
   NIGHTLY_DDEV_PR_URL: "https://nightly.link/ddev/ddev/actions/runs/1720215802/ddev-linux-amd64.zip"
-  # Allow ddev get to use a github token to prevent rate limiting by tests
+  # Allow ddev get to use a GitHub token to prevent rate limiting by tests
   DDEV_GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-  # Allow `--HEAD` flag when running tests against HEAD
-  HOMEBREW_NO_INSTALL_FROM_API: 1
+  # Pull the same image as in docker-compose.redis.yaml
+  REDIS_IMAGE: redis:6-bullseye
 jobs:
   tests:
     defaults:
@@ -40,10 +40,10 @@ jobs:
 #        ddev_version: [PR]
       fail-fast: false
 
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Set up Homebrew
       id: set-up-homebrew
       uses: Homebrew/actions/setup-homebrew@master
@@ -74,7 +74,7 @@ jobs:
     - name: Download docker images
       run: |
         mkdir junk && pushd junk && ddev config --auto && ddev debug download-images >/dev/null
-        docker pull redis:6 >/dev/null
+        docker pull ${REDIS_IMAGE} >/dev/null
     - name: tmate debugging session
       uses: mxschmitt/action-tmate@v3
       with:

docker-compose.redis.yaml

@@ -2,7 +2,7 @@
 services:
   redis:
     container_name: ddev-${DDEV_SITENAME}-redis
-    image: redis:6
+    image: redis:6-bullseye
     # These labels ensure this service is discoverable by ddev.
     labels:
       com.ddev.site-name: ${DDEV_SITENAME}