feat(apisix): add Cloudron package

- Implements Apache APISIX packaging for Cloudron platform.
- Includes Dockerfile, CloudronManifest.json, and start.sh.
- Configured to use Cloudron's etcd addon.

🤖 Generated with Gemini CLI
Co-Authored-By: Gemini <noreply@google.com>

CloudronPackages/APISIX/apisix-source/.github/workflows/kubernetes-ci.yml

@@ -0,0 +1,79 @@
+name: CI Kubernetes
+
+on:
+  push:
+    branches: [ master, 'release/**' ]
+    paths-ignore:
+      - 'docs/**'
+      - '**/*.md'
+  pull_request:
+    branches: [ master, 'release/**' ]
+    paths-ignore:
+      - 'docs/**'
+      - '**/*.md'
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref == 'refs/heads/master' && github.run_number || github.ref }}
+  cancel-in-progress: true
+
+permissions:
+  contents: read
+
+jobs:
+  kubernetes-discovery:
+    strategy:
+      fail-fast: false
+      matrix:
+        platform:
+          - ubuntu-latest
+        os_name:
+          - linux_openresty
+
+    runs-on: ${{ matrix.platform }}
+    timeout-minutes: 15
+    env:
+      SERVER_NAME: ${{ matrix.os_name }}
+      OPENRESTY_VERSION: default
+
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Setup kubernetes cluster
+        run: |
+          KUBERNETES_VERSION="v1.22.7"
+
+          kind create cluster --name apisix-test --config ./t/kubernetes/configs/kind.yaml --image kindest/node:${KUBERNETES_VERSION}
+
+          kubectl wait --for=condition=Ready nodes --all --timeout=180s
+
+          kubectl apply -f ./t/kubernetes/configs/account.yaml
+
+          kubectl apply -f ./t/kubernetes/configs/endpoint.yaml
+
+          KUBERNETES_CLIENT_TOKEN_CONTENT=$(kubectl get secrets | grep apisix-test | awk '{system("kubectl get secret -o jsonpath={.data.token} "$1" | base64 --decode")}')
+
+          KUBERNETES_CLIENT_TOKEN_DIR="/tmp/var/run/secrets/kubernetes.io/serviceaccount"
+
+          KUBERNETES_CLIENT_TOKEN_FILE=${KUBERNETES_CLIENT_TOKEN_DIR}/token
+
+          mkdir -p ${KUBERNETES_CLIENT_TOKEN_DIR}
+          echo -n "$KUBERNETES_CLIENT_TOKEN_CONTENT" > ${KUBERNETES_CLIENT_TOKEN_FILE}
+
+          echo 'KUBERNETES_SERVICE_HOST=127.0.0.1'
+          echo 'KUBERNETES_SERVICE_PORT=6443'
+          echo 'KUBERNETES_CLIENT_TOKEN='"${KUBERNETES_CLIENT_TOKEN_CONTENT}"
+          echo 'KUBERNETES_CLIENT_TOKEN_FILE='${KUBERNETES_CLIENT_TOKEN_FILE}
+
+          kubectl proxy -p 6445 &
+
+      - name: Linux Install
+        run: |
+          sudo ./ci/${{ matrix.os_name }}_runner.sh before_install
+          sudo --preserve-env=OPENRESTY_VERSION ./ci/${{ matrix.os_name }}_runner.sh do_install
+
+      - name: Run test cases
+        run: |
+          ./ci/kubernetes-ci.sh run_case