CI: install & start Redis 💚

Author: derhuerst

.github/workflows/test.yml

@@ -31,6 +31,19 @@ jobs:
     - name: install sponge (moreutils)
       run: sudo apt install -y moreutils
 
+    # Note: We install Redis v8 from their PPA because the Ubuntu/Debian sources only have v7.
+    # see also https://redis.io/docs/latest/operate/oss_and_stack/install/install-stack/apt/
+    - name: install & start Redis
+      run: |
+        set -eux -o pipefail
+        sudo apt install -y curl gpg lsb-release
+        curl -fsSL 'https://packages.redis.io/gpg' | sudo gpg --dearmor -o /usr/share/keyrings/redis-archive-keyring.gpg
+        sudo chmod 644 /usr/share/keyrings/redis-archive-keyring.gpg
+        echo "deb [signed-by=/usr/share/keyrings/redis-archive-keyring.gpg] https://packages.redis.io/deb $(lsb_release -cs) main" | sudo tee /etc/apt/sources.list.d/redis.list
+        sudo apt update
+        sudo apt install -y redis
+        redis-cli PING
+
     - name: install & start PostgreSQL with PostGIS
       run: |
         docker run -d \