Fix #2809 : replace TLS dockerd connection with unix socket (#2833)

Co-authored-by: Bassem Dghaidi <[email protected]>

charts/gha-runner-scale-set/values.yaml

@@ -122,32 +122,35 @@ template:
   ##       command: ["/home/runner/run.sh"]
   ##       env:
   ##         - name: DOCKER_HOST
-  ##           value: tcp://localhost:2376
-  ##         - name: DOCKER_TLS_VERIFY
-  ##           value: "1"
-  ##         - name: DOCKER_CERT_PATH
-  ##           value: /certs/client
+  ##           value: unix:///run/docker/docker.sock
   ##       volumeMounts:
   ##         - name: work
   ##           mountPath: /home/runner/_work
-  ##         - name: dind-cert
-  ##           mountPath: /certs/client
+  ##         - name: dind-sock
+  ##           mountPath: /run/docker
   ##           readOnly: true
   ##     - name: dind
   ##       image: docker:dind
+  ##       args:
+  ##         - dockerd
+  ##         - --host=unix:///run/docker/docker.sock
+  ##         - --group=$(DOCKER_GROUP_GID)
+  ##       env:
+  ##         - name: DOCKER_GROUP_GID
+  ##           value: "123"
   ##       securityContext:
   ##         privileged: true
   ##       volumeMounts:
   ##         - name: work
   ##           mountPath: /home/runner/_work
-  ##         - name: dind-cert
-  ##           mountPath: /certs/client
+  ##         - name: dind-sock
+  ##           mountPath: /run/docker
   ##         - name: dind-externals
   ##           mountPath: /home/runner/externals
   ##     volumes:
   ##     - name: work
   ##       emptyDir: {}
-  ##     - name: dind-cert
+  ##     - name: dind-sock
   ##       emptyDir: {}
   ##     - name: dind-externals
   ##       emptyDir: {}