feat(dind): configure Docker daemon

forgejo/config/runners/daemon.json

@@ -0,0 +1,3 @@
+{
+    "max-concurrent-downloads": 2
+}

forgejo/kustomization.yaml

@@ -34,9 +34,12 @@ configMapGenerator:
 - name: act-runner-config-arm64
   files:
   - config.yaml=config/runners/config-arm64.yaml
+  - daemon.json=config/runners/daemon.json
+
 - name: act-runner-config-amd64
   files:
   - config.yaml=config/runners/config-amd64.yaml
+  - daemon.json=config/runners/daemon.json
 
 helmCharts:
   - name: forgejo

forgejo/resources/runners/act-runner-amd64.yaml

@@ -94,6 +94,8 @@ spec:
             mountPath: /certs
           - name: runner-data
             mountPath: /data
+          - name: docker-config
+            mountPath: /etc/docker
           resources:
             requests:
               memory: "256Mi"
@@ -125,3 +127,12 @@ spec:
         - name: runner-config
           configMap:
             name: act-runner-config-amd64
+            items:
+              - key: config.yaml
+                path: config.yaml
+        - name: docker-config
+          configMap:
+            name: act-runner-config-amd64
+            items:
+              - key: daemon.json
+                path: daemon.json

forgejo/resources/runners/act-runner-arm64.yaml

@@ -95,6 +95,8 @@ spec:
             mountPath: /certs
           - name: runner-data
             mountPath: /data
+          - name: docker-config
+            mountPath: /etc/docker
           resources:
             requests:
               memory: "256Mi"
@@ -126,3 +128,12 @@ spec:
         - name: runner-config
           configMap:
             name: act-runner-config-arm64
+            items:
+              - key: config.yaml
+                path: config.yaml
+        - name: docker-config
+          configMap:
+            name: act-runner-config-arm64
+            items:
+              - key: daemon.json
+                path: daemon.json