new frontend e2e tests

.github/actions/k3s-setup/action.yml

@@ -0,0 +1,57 @@
+name: 'K3s Setup'
+description: 'Install k3s and create kubeconfig for Docker containers'
+
+inputs:
+  namespace:
+    description: 'Kubernetes namespace to create'
+    required: false
+    default: 'integr8scode'
+  kubeconfig-path:
+    description: 'Path to write the Docker-accessible kubeconfig'
+    required: false
+    default: 'backend/kubeconfig.yaml'
+
+outputs:
+  kubeconfig:
+    description: 'Path to the kubeconfig file for Docker containers'
+    value: ${{ inputs.kubeconfig-path }}
+
+runs:
+  using: 'composite'
+  steps:
+    - name: Install k3s
+      shell: bash
+      run: |
+        # --bind-address 0.0.0.0: Listen on all interfaces so Docker containers can reach it
+        # --tls-san host.docker.internal: Include in cert SANs for Docker container access
+        curl -sfL https://get.k3s.io | INSTALL_K3S_EXEC="--disable=traefik --bind-address 0.0.0.0 --tls-san host.docker.internal" sh -
+        mkdir -p /home/runner/.kube
+        sudo k3s kubectl config view --raw > /home/runner/.kube/config
+        sudo chmod 600 /home/runner/.kube/config
+
+    - name: Wait for k3s to be ready
+      shell: bash
+      run: |
+        export KUBECONFIG=/home/runner/.kube/config
+        timeout 90 bash -c 'until kubectl cluster-info; do sleep 5; done'
+
+    - name: Create namespace
+      shell: bash
+      env:
+        NAMESPACE: ${{ inputs.namespace }}
+      run: |
+        export KUBECONFIG=/home/runner/.kube/config
+        kubectl create namespace "$NAMESPACE" --dry-run=client -o yaml | kubectl apply -f -
+
+    - name: Create kubeconfig for Docker containers
+      shell: bash
+      env:
+        KUBECONFIG_PATH: ${{ inputs.kubeconfig-path }}
+      run: |
+        # Replace localhost/0.0.0.0 with host.docker.internal for container access
+        # (k3s may use 0.0.0.0 when started with --bind-address 0.0.0.0)
+        sed -E 's#https://(127\.0\.0\.1|0\.0\.0\.0):6443#https://host.docker.internal:6443#g' \
+          /home/runner/.kube/config > "$KUBECONFIG_PATH"
+        chmod 644 "$KUBECONFIG_PATH"
+        echo "Kubeconfig written to $KUBECONFIG_PATH"
+        echo "Server URL: $(grep server "$KUBECONFIG_PATH" | head -1)"