Merge pull request 'chore(deps): update hadolint/hadolint-action action to v3.3.0' (#9) from renovate/hadolint-hadolint-action-3.x into master

Reviewed-on: #9

.gitea/workflows/docker-build.yaml

@@ -1,46 +1,65 @@
 name: Docker Build and Push
 
 on:
-  pull_request:
-    branches: [master]
   push:
-    branches: [master]
+    branches: [master, main]
+  pull_request:
   schedule:
-    - cron: '0 0 * * *'
+    - cron: '30 3 * * 3'
 
 jobs:
-  build:
+  lint:
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout
-        uses: actions/checkout@v6
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
+      - uses: hadolint/hadolint-action@2332a7b74a6de0dda2e2221d575162eba76ba5e5 # v3.3.0
+        with:
+          dockerfile: Dockerfile
+          failure-threshold: error
 
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v4
+  build:
+    runs-on: ubuntu-latest
+    needs: lint
+    steps:
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
+      - name: Build image
+        run: docker build -t ci-image:${{ github.sha }} .
+      - name: Save image
+        run: docker save ci-image:${{ github.sha }} -o image.tar
+      - uses: ChristopherHX/gitea-upload-artifact@62ac910c5d3dfa85c7cb2df15afe2e342b2407c2 # main
+        with:
+          name: docker-image
+          path: image.tar
 
-      - name: Login to Docker Hub
-        if: github.event_name != 'pull_request'
-        uses: docker/login-action@v4
+  test:
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
+      - uses: ChristopherHX/gitea-download-artifact@75635f32b4c1c41c4b3d64e8f85210112ed4c9c7 # main
+        with:
+          name: docker-image
+      - name: Load image
+        run: docker load < image.tar
+      - name: Run tests
+        run: bash tests/test.sh ci-image:${{ github.sha }}
+
+  push:
+    runs-on: ubuntu-latest
+    needs: test
+    if: github.event_name != 'pull_request'
+    steps:
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
+      - uses: ChristopherHX/gitea-download-artifact@75635f32b4c1c41c4b3d64e8f85210112ed4c9c7 # main
+        with:
+          name: docker-image
+      - name: Load image
+        run: docker load < image.tar
+      - uses: docker/login-action@650006c6eb7dba73a995cc03b0b2d7f5ca915bee # v4
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
-
-      - name: Docker metadata
-        id: meta
-        uses: docker/metadata-action@v6
-        with:
-          images: jcabillot/dynhost
-          tags: |
-            #type=ref,event=branch
-            #type=ref,event=pr
-            #type=sha
-            type=raw,value=latest,enable=${{ github.ref == 'refs/heads/master' }}
-
-      - name: Build and push
-        uses: docker/build-push-action@v7
-        with:
-          context: .
-          push: ${{ github.event_name != 'pull_request' }}
-          tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}
-          pull: true
+      - name: Tag and push
+        run: |
+          docker tag ci-image:${{ github.sha }} jcabillot/docker-dynhost:latest
+          docker push jcabillot/docker-dynhost:latest

Dockerfile

@@ -1,5 +1,6 @@
-FROM alpine:3
+FROM alpine:3.24
 
+# hadolint ignore=DL3018
 RUN apk add --no-cache bind-tools curl
 
 COPY entrypoint.sh /

tests/test.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+set -euo pipefail
+
+IMAGE="$1"
+FAILED=0
+PASSED=0
+
+TMPDIR="$(mktemp -d)"
+trap 'rm -rf "$TMPDIR"' EXIT
+
+assert_eq() {
+  local desc="$1" expected="$2" actual="$3"
+  if [ "$expected" = "$actual" ]; then
+    echo "PASS: $desc"
+    PASSED=$((PASSED + 1))
+  else
+    echo "FAIL: $desc (expected '$expected', got '$actual')"
+    FAILED=$((FAILED + 1))
+  fi
+}
+
+RC=0
+docker run --rm "$IMAGE" dig -v > "$TMPDIR/output" 2>&1 || RC=$?
+assert_eq "dig works" "0" "$RC"
+
+if [ -s "$TMPDIR/output" ]; then
+  echo "PASS: Command produces output"
+  PASSED=$((PASSED + 1))
+else
+  echo "FAIL: Command produces no output"
+  FAILED=$((FAILED + 1))
+fi
+
+echo ""
+echo "$PASSED/$((PASSED + FAILED)) tests passed"
+if [ "$FAILED" -gt 0 ]; then
+  exit 1
+fi