chore(chart): add check to start once docker is available (#35)

Should fix:
- https://gitea.com/gitea/helm-actions/issues/31
- https://gitea.com/gitea/helm-actions/issues/27

Reviewed-on: https://gitea.com/gitea/helm-actions/pulls/35
Reviewed-by: ChristopherHX <christopherhx@noreply.gitea.com>
Co-authored-by: Daan Selen <dselen@nerthus.nl>
Co-committed-by: Daan Selen <dselen@nerthus.nl>

templates/statefulset.yaml

@@ -48,6 +48,20 @@ spec:
           image: "{{ .Values.statefulset.actRunner.repository }}:{{ .Values.statefulset.actRunner.tag }}"
           imagePullPolicy: {{ .Values.statefulset.actRunner.pullPolicy }}
           workingDir: /data
+          command:
+          # The following is a workaround for: https://gitea.com/gitea/act_runner/issues/731
+          # We must add the docker-cli package for the server AND client cert verification.
+            - sh
+            - -c
+            - |
+              apk add --no-cache docker-cli
+              echo "Waiting for Docker daemon..."
+              until timeout 10 docker info > /dev/null; do
+                echo "Failed, retrying..."
+                sleep 2
+              done
+              echo "Docker is ready, starting act-runner..."
+              exec run.sh
           env:
             - name: DOCKER_HOST
               value: tcp://127.0.0.1:2376