From 9268a21ce433d03fdafc5ac249cf0f9bde2201c8 Mon Sep 17 00:00:00 2001
From: Leo Q <LeoQuote@users.noreply.github.com>
Date: Tue, 14 Dec 2021 12:18:50 +0800
Subject: [PATCH 1/2] add docker release (#1)

* add docker release

* add dockerfile
---
 .github/workflows/docker-publish.yml | 91 ++++++++++++++++++++++++++++
 Dockerfile                           | 16 +++++
 2 files changed, 107 insertions(+)
 create mode 100644 .github/workflows/docker-publish.yml
 create mode 100644 Dockerfile

diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
new file mode 100644
index 0000000..2ae6b8b
--- /dev/null
+++ b/.github/workflows/docker-publish.yml
@@ -0,0 +1,91 @@
+name: Docker
+
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+
+on:
+  push:
+    branches: [ main ]
+    # Publish semver tags as releases.
+    tags: [ 'v*.*.*' ]
+  pull_request:
+    branches: [ main ]
+
+env:
+  # Use docker.io for Docker Hub if empty
+  REGISTRY: ghcr.io
+  # github.repository as <account>/<repo>
+  IMAGE_NAME: ${{ github.repository }}
+
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+      # This is used to complete the identity challenge
+      # with sigstore/fulcio when running outside of PRs.
+      id-token: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      # Install the cosign tool except on PR
+      # https://github.com/sigstore/cosign-installer
+      - name: Install cosign
+        if: github.event_name != 'pull_request'
+        uses: sigstore/cosign-installer@1e95c1de343b5b0c23352d6417ee3e48d5bcd422
+        with:
+          cosign-release: 'v1.4.0'
+
+
+      # Workaround: https://github.com/docker/build-push-action/issues/461
+      - name: Setup Docker buildx
+        uses: docker/setup-buildx-action@79abd3f86f79a9d68a23c75a09a9a85889262adf
+
+      # Login against a Docker registry except on PR
+      # https://github.com/docker/login-action
+      - name: Log into registry ${{ env.REGISTRY }}
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@28218f9b04b4f3f62068d7b6ce6ca5b26e35336c
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      # Extract metadata (tags, labels) for Docker
+      # https://github.com/docker/metadata-action
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+      # Build and push Docker image with Buildx (don't push on PR)
+      # https://github.com/docker/build-push-action
+      - name: Build and push Docker image
+        id: build-and-push
+        uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
+        with:
+          context: .
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+
+      # Sign the resulting Docker image digest except on PRs.
+      # This will only write to the public Rekor transparency log when the Docker
+      # repository is public to avoid leaking data.  If you would like to publish
+      # transparency data even for private images, pass --force to cosign below.
+      # https://github.com/sigstore/cosign
+      - name: Sign the published Docker image
+        if: ${{ github.event_name != 'pull_request' }}
+        env:
+          COSIGN_EXPERIMENTAL: "true"
+        # This step uses the identity token to provision an ephemeral certificate
+        # against the sigstore community Fulcio instance.
+        run: cosign sign ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}@${{ steps.build-and-push.outputs.digest }}
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..86b328d
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,16 @@
+FROM library/golang:1.17 as build-env
+
+RUN apt-get install -yq --no-install-recommends git
+
+# Copy source + vendor
+COPY . /go/src/github.com/letsencrypt/unbound_exporter
+WORKDIR /go/src/github.com/letsencrypt/unbound_exporter
+
+# Build
+ENV GOPATH=/go
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 GO111MODULE=on go build -v -a -ldflags "-s -w" -o /go/bin/unbound_exporter .
+
+FROM scratch
+COPY --from=build-env /go/bin/unbound_exporter /usr/bin/unbound_exporter
+ENTRYPOINT ["unbound_exporter"]
+CMD ["--unbound.host", "tcp://localhost:8953"]

From 04d58de457d8741654f51cec24a5cab27ba23209 Mon Sep 17 00:00:00 2001
From: Leo Q <LeoQuote@users.noreply.github.com>
Date: Tue, 14 Dec 2021 12:23:55 +0800
Subject: [PATCH 2/2] fix default args

---
 Dockerfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index 86b328d..5589e46 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,4 +13,4 @@ RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 GO111MODULE=on go build -v -a -ldflags
 FROM scratch
 COPY --from=build-env /go/bin/unbound_exporter /usr/bin/unbound_exporter
 ENTRYPOINT ["unbound_exporter"]
-CMD ["--unbound.host", "tcp://localhost:8953"]
+CMD ["-unbound.host", "tcp://localhost:8953"]