Restrict worker egress and publish manifest

.gitea/workflows/publish.yaml

@@ -100,9 +100,12 @@ jobs:
           install "$RUNNER_TEMP/oras/oras" "$RUNNER_TEMP/oras-bin"
           printf '%s' "$HARBOR_PASSWORD" | "$RUNNER_TEMP/oras-bin" login harbor.k3s.k0.nu --username "$HARBOR_USERNAME" --password-stdin
           unset HARBOR_PASSWORD
+          (
+            cd "$package_dir"
             "$RUNNER_TEMP/oras-bin" push --artifact-type application/vnd.ai-spel.kubernetes-manifest.v1 \
               "harbor.k3s.k0.nu/ai-spel/rule-engine-manifest:$version" \
-            "$package_dir/manifest.yaml:application/yaml"
+              "manifest.yaml:application/yaml"
+          )
           echo "version=$version" >> "$GITHUB_OUTPUT"
 
       - name: Deploy rule engine through Argo CD

README.md

@@ -14,7 +14,9 @@ Responses echo the correlation ID and have status `evaluated` or `rejected`.
 
 The NATS user may subscribe only to the evaluation subject and publish only to
 reply inboxes. The service receives no credentials other than its own NATS
-identity and has no configured database or AI-provider secrets.
+identity and has no configured database or AI-provider secrets. Its chart
+limits pod egress to NATS and cluster DNS; Luau evaluation has no external
+network path.
 
 ## Local commands
 

deploy/helm/ai-spel-rule-engine/templates/networkpolicy.yaml

@@ -12,6 +12,7 @@ spec:
     - to:
         - podSelector:
             matchLabels:
+              app.kubernetes.io/name: ai-spel-nats
               app.kubernetes.io/instance: ai-spel-nats
       ports:
         - protocol: TCP
@@ -20,9 +21,6 @@ spec:
         - namespaceSelector:
             matchLabels:
               kubernetes.io/metadata.name: kube-system
-          podSelector:
-            matchLabels:
-              k8s-app: kube-dns
       ports:
         - protocol: UDP
           port: 53