build cdc for multiarch (#42)

.github/workflows/image.yml

@@ -0,0 +1,52 @@
+on:
+  pull_request:
+  push:
+    branches: [master]
+jobs:
+  build:
+    strategy:
+      matrix:
+        arch: [amd64, arm64]
+    runs-on: ubuntu-latest
+    env:
+      IMG_CACHE: ghcr.io/getsentry/cdc:${{ matrix.arch }}-latest
+      IMG_VERSIONED: ghcr.io/getsentry/cdc:${{ matrix.arch }}-${{ github.sha }}
+    steps:
+    - uses: actions/checkout@v3
+    - run: docker run --rm --privileged tonistiigi/binfmt --install arm64
+      if: matrix.arch == 'arm64'
+    - name: build
+      run: |
+        set -euxo pipefail
+        args=()
+        if docker pull -q "$IMG_CACHE"; then
+          args+=(--cache-from "$IMG_CACHE")
+        fi
+        docker buildx build \
+            "${args[@]}" \
+            --build-arg BUILDKIT_INLINE_CACHE=1 \
+            --platform linux/${{ matrix.arch }} \
+            --tag "$IMG_VERSIONED" \
+            --target application \
+            .
+        docker tag "$IMG_VERSIONED" "$IMG_CACHE"
+    - name: push
+      run: |
+        set -euxo pipefail
+        docker login --username '${{ github.actor }}' --password '${{ secrets.GITHUB_TOKEN }}' ghcr.io
+        docker push "$IMG_VERSIONED"
+        docker push "$IMG_CACHE"
+      if: github.event_name != 'pull_request'
+
+  multiarch:
+    if: github.event_name != 'pull_request'
+    needs: [build]
+    runs-on: ubuntu-latest
+    steps:
+    - run: |
+        set -euxo pipefail
+        docker login --username '${{ github.actor }}' --password '${{ secrets.GITHUB_TOKEN }}' ghcr.io
+        docker manifest create ghcr.io/getsentry/cdc:latest \
+          ghcr.io/getsentry/cdc:arm64-latest \
+          ghcr.io/getsentry/cdc:amd64-latest
+        docker manifest push ghcr.io/getsentry/cdc:latest

Dockerfile

@@ -37,8 +37,8 @@ RUN set -x \
         wget \
     " \
     && apt-get update && apt-get install -y --no-install-recommends $fetchDeps && rm -rf /var/lib/apt/lists/* \
-    && wget -O /usr/local/bin/tini "https://github.com/krallin/tini/releases/download/v$TINI_VERSION/tini" \
-    && wget -O /usr/local/bin/tini.asc "https://github.com/krallin/tini/releases/download/v$TINI_VERSION/tini.asc" \
+    && wget -O /usr/local/bin/tini "https://github.com/krallin/tini/releases/download/v$TINI_VERSION/tini-$(dpkg --print-architecture)" \
+    && wget -O /usr/local/bin/tini.asc "https://github.com/krallin/tini/releases/download/v$TINI_VERSION/tini-$(dpkg --print-architecture).asc" \
     && export GNUPGHOME="$(mktemp -d)" \
     && for key in \
       595E85A6B1B4779EA4DAAEC70B588DFF0527A9B7 \
@@ -58,7 +58,13 @@ RUN mkdir -p /usr/src/app
 WORKDIR /usr/src/app
 
 COPY requirements.txt /usr/src/app/
-RUN pip install -r requirements.txt
+RUN set -x \
+    && deps='gcc librdkafka-dev libc-dev' \
+    && apt-get update \
+    && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends $deps \
+    && pip install -r requirements.txt \
+    && apt-get purge -y --auto-remove $deps \
+    && rm -rf /var/lib/apt/lists/*
 
 COPY . /usr/src/app
 ENV PATH /usr/src/app/bin:$PATH
@@ -70,4 +76,10 @@ CMD ["cdc"]
 
 FROM application AS development
 
-RUN pip install -r requirements-dev.txt
+RUN set -x \
+    && deps='gcc' \
+    && apt-get update \
+    && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends $deps \
+    && pip install -r requirements-dev.txt \
+    && apt-get purge -y --auto-remove $deps \
+    && rm -rf /var/lib/apt/lists/*

requirements.txt

@@ -3,5 +3,5 @@ PyYAML==5.1
 confluent-kafka==0.11.6
 datadog==0.21.0
 jsonschema==3.0.1
-psycopg2-binary==2.7.7
+psycopg2-binary==2.9.3
 sentry-sdk==0.7.14