ci: use trusted publishing to publish our npm package

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

.github/workflows/publish.yml

@@ -1,5 +1,9 @@
 name: publish
 
+permissions:
+  id-token: write  # required for OIDC
+  contents: read
+
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
@@ -9,17 +13,40 @@ on:
     tags:
       - 'v*'
 
+env:
+  NODE_VERSION: "24" # at least Node 24 is required for Trusted Publishing with OIDC
+
 jobs:
   publish:
     runs-on: ubuntu-latest
     steps:
       -
-        name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+        name: Checkout
+        uses: actions/checkout@v6
+      -
+        name: Enable corepack
+        run: |
+          corepack enable
+          yarn --version
+      -
+        name: Setup Node
+        uses: actions/setup-node@v6
+        with:
+          node-version: ${{ env.NODE_VERSION }}
+          cache: 'yarn'
+      -
+        name: Print versions
+        run: |
+          node --version
+          npm --version
+          yarn --version
+      -
+        name: Build
+        run: |
+          yarn install
+          yarn run build
       -
         name: Publish
-        uses: docker/bake-action@v6
-        with:
-          targets: publish
-        env:
-          NODE_AUTH_TOKEN: ${{ secrets.NODE_AUTH_TOKEN }}
+        run: |
+          npm version --no-git-tag-version ${GITHUB_REF#refs/tags/v}
+          npm publish --access public

dev.Dockerfile

@@ -101,24 +101,3 @@ RUN --mount=type=bind,target=.,rw \
 
 FROM scratch AS test-coverage
 COPY --from=test /tmp/coverage /
-
-FROM base AS publish
-ARG GITHUB_REF
-RUN --mount=type=bind,target=.,rw \
-    --mount=type=cache,target=/src/.yarn/cache \
-    --mount=type=cache,target=/src/node_modules \
-    --mount=type=secret,id=NODE_AUTH_TOKEN,env=NODE_AUTH_TOKEN <<EOT
-  set -e
-  if ! [[ $GITHUB_REF =~ ^refs/tags/v ]]; then
-    echo "GITHUB_REF is not a tag"
-    exit 1
-  fi
-  yarn install
-  yarn run build
-  npm config set //registry.npmjs.org/:_authToken $NODE_AUTH_TOKEN
-  npm version --no-git-tag-version ${GITHUB_REF#refs/tags/v}
-  npm publish --access public
-
-  # FIXME: Can't publish with yarn berry atm: https://github.com/changesets/changesets/pull/674
-  #yarn publish --no-git-tag-version --new-version ${GITHUB_REF#refs/tags/v}
-EOT

docker-bake.hcl

@@ -99,23 +99,6 @@ target "test-coverage" {
   secret = ["id=GITHUB_TOKEN,env=GITHUB_TOKEN"]
 }
 
-# GITHUB_REF is the actual ref that triggers the workflow and used as version
-# when a tag is pushed: https://docs.github.com/en/actions/learn-github-actions/environment-variables#default-environment-variables
-variable "GITHUB_REF" {
-  default = ""
-}
-
-target "publish" {
-  inherits = ["_common"]
-  dockerfile = "dev.Dockerfile"
-  args = {
-    GITHUB_REF = GITHUB_REF
-  }
-  target = "publish"
-  output = ["type=cacheonly"]
-  secret = ["id=NODE_AUTH_TOKEN,env=NODE_AUTH_TOKEN"]
-}
-
 target "license-validate" {
   inherits = ["_common"]
   dockerfile = "./hack/dockerfiles/license.Dockerfile"