Create github workflow to publish releases on dockerhub (#716)

* Create github workflow to publish releases on dockerhub

* Improve readability of final dockerhub dockerfile RUN command

Co-authored-by: Wulfre <wulfre@users.noreply.github.com>

2 files changed, 87 insertions, 0 deletions

diff --git a/.github/workflows/bun-dockerhub.yml b/.github/workflows/bun-dockerhub.yml
new file mode 100644
index 000000000..f968a1ab3
--- /dev/null
+++ b/.github/workflows/bun-dockerhub.yml
@@ -0,0 +1,46 @@
+name: bun-dockerhub
+on:
+  push:
+    paths:
+      - dockerhub/Dockerfile
+    branches:
+      - main
+  pull_request:
+    paths:
+      - dockerhub/Dockerfile
+    branches:
+      - main
+  release:
+    types:
+      - published
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v3
+      - name: Collect metadata
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: |
+            ${{ secrets.DOCKERHUB_USERNAME }}/bun
+          tags: |
+            type=match,pattern=bun-v(\d.\d.\d),group=1
+            type=match,pattern=bun-v(\d.\d),group=1
+            type=match,pattern=bun-v(\d),group=1
+            type=ref,event=branch
+            type=ref,event=pr
+      - name: Login to DockerHub
+        if: github.event_name == 'release'
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - name: Build image
+        uses: docker/build-push-action@v3
+        with:
+          context: ./dockerhub
+          push: ${{ github.event_name == 'release' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
diff --git a/dockerhub/Dockerfile b/dockerhub/Dockerfile
new file mode 100644
index 000000000..392e7e022
--- /dev/null
+++ b/dockerhub/Dockerfile
@@ -0,0 +1,41 @@
+### GLOBALS ###
+ARG GLIBC_RELEASE=2.34-r0
+
+
+### GET ###
+FROM alpine:latest as get
+
+# prepare environment
+WORKDIR /tmp
+RUN apk --no-cache add unzip
+
+# get bun
+RUN wget https://github.com/oven-sh/bun/releases/latest/download/bun-linux-x64.zip && \
+    unzip bun-linux-x64.zip
+
+# get glibc
+ARG GLIBC_RELEASE
+RUN wget https://alpine-pkgs.sgerrand.com/sgerrand.rsa.pub && \
+    wget https://github.com/sgerrand/alpine-pkg-glibc/releases/download/${GLIBC_RELEASE}/glibc-${GLIBC_RELEASE}.apk
+
+
+### IMAGE ###
+FROM alpine:latest
+
+# install bun
+COPY --from=get /tmp/bun-linux-x64/bun /usr/local/bin
+
+# prepare glibc
+ARG GLIBC_RELEASE
+COPY --from=get /tmp/sgerrand.rsa.pub /etc/apk/keys
+COPY --from=get /tmp/glibc-${GLIBC_RELEASE}.apk /tmp
+
+# install glibc
+RUN apk --no-cache add /tmp/glibc-${GLIBC_RELEASE}.apk && \
+
+# cleanup
+    rm /etc/apk/keys/sgerrand.rsa.pub && \
+    rm /tmp/glibc-${GLIBC_RELEASE}.apk && \
+
+# smoke test
+    bun --version