signed container v3 (#28)

* ci

* release

* release

* release

.github/workflows/pull-request.yml

@@ -45,3 +45,30 @@ jobs:
     - uses: shogo82148/actions-goveralls@v1
       with:
         path-to-profile: profile.cov
+
+  docker:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+      id-token: write # needed for signing the images with GitHub OIDC Token
+    steps:
+    - uses: actions/checkout@v4
+    - uses: docker/metadata-action@v5
+      id: docker_meta
+      with:
+        images: ghcr.io/${{ github.repository }}
+        tags: |
+          type=ref,event=tag
+    - uses: docker/login-action@v3
+      with:
+        registry: ghcr.io
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}        
+    - uses: docker/build-push-action@v5
+      id: build_and_push
+      with:
+        context: .
+        push: ${{ github.event_name != 'pull_request' }}
+        tags: ${{ steps.docker_meta.outputs.tags }}
+        labels: ${{ steps.docker_meta.outputs.labels }}

.github/workflows/release.yml

@@ -0,0 +1,47 @@
+name: release
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+      id-token: write # needed for signing the images with GitHub OIDC Token
+    steps:
+    - uses: actions/checkout@v4
+    - uses: docker/metadata-action@v5
+      id: docker_meta
+      with:
+        images: ghcr.io/${{ github.repository }}
+      tags: |
+        type=ref,event=tag
+    - uses: docker/login-action@v3
+      with:
+        registry: ghcr.io
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}        
+    - uses: docker/build-push-action@v5
+      id: build_and_push
+      with:
+        context: .
+        push: ${{ github.event_name != 'pull_request' }}
+        tags: ${{ steps.docker_meta.outputs.tags }}
+        labels: ${{ steps.docker_meta.outputs.labels }}
+
+    - uses: sigstore/cosign-installer@v3
+    - name: Sign the images with GitHub OIDC Token
+      if: ${{ github.event_name != 'pull_request' }}
+      env:
+        DIGEST: ${{ steps.build_and_push.outputs.digest }}
+        TAGS: ${{ steps.docker_meta.outputs.tags }}
+      run: |
+        images=""
+        for tag in ${TAGS}; do
+          images+="${tag}@${DIGEST} "
+        done
+        cosign sign --yes ${images}

README.md

@@ -1,8 +1,8 @@
 # myip
 "What's my IP" application
 
-[![ci](https://github.com/kuoss/myip/actions/workflows/ci.yml/badge.svg)](https://github.com/kuoss/myip/actions)
-[![pull-request](https://github.com/kuoss/myip/actions/workflows/pull-request.yml/badge.svg)](https://github.com/kuoss/myip/actions)
+[![release](https://github.com/kuoss/myip/actions/workflows/release.yml/badge.svg)](hhttps://github.com/kuoss/myip/actions/workflows/release.yml)
+[![pull-request](https://github.com/kuoss/myip/actions/workflows/pull-request.yml/badge.svg)](https://github.com/kuoss/myip/actions/workflows/pull-request.yml)
 [![Coverage Status](https://coveralls.io/repos/github/kuoss/myip/badge.svg?branch=main)](https://coveralls.io/github/kuoss/myip?branch=main)
 [![GitHub license](https://img.shields.io/github/license/kuoss/myip.svg)](https://github.com/kuoss/myip/blob/main/LICENSE)
 [![Go Report Card](https://goreportcard.com/badge/github.com/kuoss/myip)](https://goreportcard.com/report/github.com/kuoss/myip)