Merge amd64 and arm64 docker images

.github/workflows/docker.yml

@@ -15,14 +15,6 @@ jobs:
   docker:
     # Don't change this name - it is used by the merge protection rules
     name: Build ${{ matrix.platform }} docker image
-    strategy:
-      fail-fast: true
-      matrix:
-        include:
-          - platform: linux/amd64
-            file: Dockerfile
-          - platform: linux/arm64
-            file: arm64.Dockerfile
     runs-on: ubuntu-latest
     steps:
 
@@ -47,22 +39,20 @@ jobs:
         uses: docker/[email protected]
         with:
           install: true
-          platforms: ${{ matrix.platform }}
+          platforms: linux/arm64,linux/amd64
 
       - name: Build the Docker image
         id: docker_build
         uses: docker/build-push-action@v4
         with:
-          file: ${{ matrix.file }}
           push: false
           load: true
           tags: ${{ steps.docker_meta.outputs.tags }}
           labels: ${{ steps.docker_meta.outputs.labels }}
-          platforms: ${{ matrix.platform }}
+          platforms: linux/arm64,linux/amd64
 
       - name: Start postgres
         # arm64 cannot be tested just yet
-        if: matrix.platform == 'linux/amd64'
         uses: nyurik/action-setup-postgis@v1
         id: pg
         with:
@@ -73,15 +63,13 @@ jobs:
 
       - name: Init database
         # arm64 cannot be tested just yet
-        if: matrix.platform == 'linux/amd64'
         shell: bash
         run: tests/fixtures/initdb.sh
         env:
           DATABASE_URL: ${{ steps.pg.outputs.connection-uri }}
 
       - name: Test Docker image
         # arm64 cannot be tested just yet
-        if: matrix.platform == 'linux/amd64'
         run: |
           TAG=$(echo '${{ steps.docker_meta.outputs.json }}' | jq -r '.tags[0]')
           export MARTIN_BUILD=-
@@ -103,9 +91,8 @@ jobs:
         if: ${{ github.actor != 'dependabot[bot]' && github.event_name != 'pull_request' }}
         uses: docker/build-push-action@v4
         with:
-          file: ${{ matrix.file }}
           push: true
           load: false
           tags: ${{ steps.docker_meta.outputs.tags }}
           labels: ${{ steps.docker_meta.outputs.labels }}
-          platforms: ${{ matrix.platform }}
+          platforms: linux/arm64,linux/amd64

Dockerfile

@@ -1,19 +1,37 @@
-FROM rust:alpine as builder
+# syntax=docker/dockerfile:1
+
+# This dockerfile must be ran with   docker buildx build
+
+ARG TARGETPLATFORM
+ARG BUILDPLATFORM
+
+FROM --platform=$BUILDPLATFORM rust:alpine as builder
+ARG TARGETPLATFORM
+ARG BUILDPLATFORM
 
 WORKDIR /usr/src/martin
 
 RUN apk update \
     && apk add --no-cache openssl-dev musl-dev perl build-base
 
 COPY . .
-RUN CARGO_REGISTRIES_CRATES_IO_PROTOCOL=sparse cargo build --release --features=vendored-openssl
-
+RUN if [ "$TARGETPLATFORM" = "linux/arm64" ]; then \
+        echo "Building on '$BUILDPLATFORM' for ARM64"; \
+        export CFLAGS=-mno-outline-atomics; \
+    else \
+        echo "Building on '$BUILDPLATFORM' for unrecognized target platform '$TARGETPLATFORM'"; \
+    fi \
+    && export CARGO_REGISTRIES_CRATES_IO_PROTOCOL=sparse \
+    && env | sort | tee /build_log \
+    && cargo build --release --features=vendored-openssl
 
 FROM alpine:latest
 
 LABEL org.opencontainers.image.description="Blazing fast and lightweight tile server with PostGIS, MBTiles, and PMTiles support"
 
-RUN apk add --no-cache libc6-compat
+COPY --from=builder /build_log /build_log
+RUN env | sort | tee /build_log2 \
+    && apk add --no-cache libc6-compat
 
 COPY --from=builder \
   /usr/src/martin/target/release/martin \

justfile

@@ -145,9 +145,9 @@ coverage FORMAT='html':
         open "$OUTPUT_RESULTS_DIR/index.html"
     fi
 
-# Build martin docker image
+# Build martin docker image (amd64)
 docker-build:
-    docker build -t ghcr.io/maplibre/martin .
+    docker build --build-arg BUILDPLATFORM=linux/amd64 -t ghcr.io/maplibre/martin .
 
 # Build and run martin docker image
 docker-run *ARGS: