Publish multi-arch images automatically with docker/github-builder

.github/workflows/docker-publish.yml

@@ -0,0 +1,35 @@
+name: Publish multi-arch Docker image
+
+on:
+  release:
+    types: [published]
+  workflow_dispatch:
+    inputs:
+      overpass_version:
+        description: 'Version number to build (e.g. 0.7.62)'
+        required: true
+        type: string
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    uses: docker/github-builder/.github/workflows/build.yml@v1
+    permissions:
+      contents: read
+      id-token: write
+    with:
+      output: image
+      push: true
+      platforms: linux/amd64,linux/arm64
+      build-args: OVERPASS_VERSION=${{ github.event.release.tag_name || inputs.overpass_version }}
+      cache: true
+      cache-mode: max
+      meta-images: ${{ vars.DOCKERHUB_USERNAME }}/overpass-api
+      meta-tags: type=semver,pattern={{version}}
+    secrets:
+      registry-auths: |
+        - registry: docker.io
+          username: ${{ vars.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}

Dockerfile.template → Dockerfile

@@ -26,7 +26,8 @@ RUN apt-get update \
         zlib1g \
         zlib1g-dev
 
-ADD http://dev.overpass-api.de/releases/osm-3s_v{version}.tar.gz /app/src.tar.gz
+ARG OVERPASS_VERSION
+ADD http://dev.overpass-api.de/releases/osm-3s_v${OVERPASS_VERSION}.tar.gz /app/src.tar.gz
 
 RUN  mkdir -p /app/src \
     && cd /app/src \
@@ -91,9 +92,9 @@ COPY docker-entrypoint.sh docker-healthcheck.sh /app/
 RUN chmod a+rx /app/docker-entrypoint.sh /app/bin/update_overpass.sh /app/bin/rules_loop.sh /app/bin/dispatcher_start.sh \
     /app/bin/oauth_cookie_client.py /app/bin/start_fcgiwarp.sh
 
-ENV OVERPASS_RULES_LOAD=${{OVERPASS_RULES_LOAD:-1}}
-ENV OVERPASS_USE_AREAS=${{OVERPASS_USE_AREAS:-true}}
-ENV OVERPASS_ALLOW_DUPLICATE_QUERIES=${{OVERPASS_ALLOW_DUPLICATE_QUERIES:-no}}
+ENV OVERPASS_RULES_LOAD=${OVERPASS_RULES_LOAD:-1}
+ENV OVERPASS_USE_AREAS=${OVERPASS_USE_AREAS:-true}
+ENV OVERPASS_ALLOW_DUPLICATE_QUERIES=${OVERPASS_ALLOW_DUPLICATE_QUERIES:-no}
 
 EXPOSE 80
 

build.sh

@@ -2,28 +2,31 @@
 
 set -e
 
+IMAGE=wiktorn/overpass-api
+VERSIONS=$(python update.py)
+
 case "$1" in
 "build")
-	python update.py
-
-	# docker build
-	find . -maxdepth 1 -type d -name '0.*' -exec sh -c 'docker build -t wiktorn/overpass-api:$(basename "$1") -f "$1"/Dockerfile .' sh {} \;
+	for version in $VERSIONS; do
+		docker build --build-arg "OVERPASS_VERSION=${version}" -t "${IMAGE}:${version}" .
+	done
 
-	# docker tag
-	while IFS= read -r -d '' file; do
-		docker tag "wiktorn/overpass-api:$(basename "$file")" wiktorn/overpass-api:latest
-	done < <(find . -maxdepth 1 -type d -regex '\./[0-9]\.[0-9]\.[0-9]*' -print0 | sort -nz | tail -z -n 1)
+	latest=$(echo "$VERSIONS" | sort -V | tail -n 1)
+	docker tag "${IMAGE}:${latest}" "${IMAGE}:latest"
 	;;
+
 "push")
-	# docker push
-	find . -maxdepth 1 -type d -name '0.*' -exec sh -c 'docker push "wiktorn/overpass-api:$(basename "$1")"' sh {} \;
-	docker push wiktorn/overpass-api:latest
+	for version in $VERSIONS; do
+		docker push "${IMAGE}:${version}"
+	done
+	docker push "${IMAGE}:latest"
 	;;
+
 "$1")
 	echo "Invalid argument $1"
 	echo "Valid arguments:"
-	echo "$0 build - to build docker images"
-	echo "$0 push - to push built images to docker hub"
+	echo "$0 build - to build Docker images"
+	echo "$0 push - to push built images to Docker Hub"
 	exit 1
 	;;
 esac

update.py

@@ -1,10 +1,12 @@
 import html.parser
-import os
-import pathlib
-import shutil
 import urllib.request
 
 url = "http://dev.overpass-api.de/releases/"
+skip_prefixes = (
+    '0.6', 'eta', '0.7.1', '0.7.2', '0.7.3', '0.7.4', '0.7.50', '0.7.52',
+    '0.7.54.11',  # invalid CRC in archive
+    '0.7.51',  # no autoconf
+)
 
 
 class VersionFinder(html.parser.HTMLParser):
@@ -23,31 +25,19 @@ def handle_starttag(self, tag, attrs):
                 self.versions.append(version)
 
 
-def main():
+def versions_to_build():
     parser = VersionFinder()
     response = urllib.request.urlopen(url)
     data = response.read().decode(response.headers.get_content_charset())
     parser.feed(data)
-    with open("Dockerfile.template") as f:
-        template = f.read()
-    for ver in parser.versions:
-        if any((ver.startswith(x) for x in ('0.6', 'eta', '0.7.1', '0.7.2', '0.7.3', '0.7.4', '0.7.50', '0.7.52',
-                                            '0.7.54.11',  # invalid CRC in archive
-                                            '0.7.51',  # no autoconf
-                                            ))) or \
-                ver == '0.7':
-            # ignore old releases
-            continue
-        if os.path.exists(ver):
-            shutil.rmtree(ver)
-        os.mkdir(ver)
-        with open(pathlib.Path(ver) / "Dockerfile", "w+") as f:
-            f.write(template.format(version=ver))
-        #for i in ("etc", "bin"):
-        #    shutil.copytree(i, pathlib.Path(ver) / i)
-        #shutil.copyfile("docker-entrypoint.sh", pathlib.Path(ver) / "docker-entrypoint.sh")
-        #shutil.copyfile("requirements.txt", pathlib.Path(ver) / "requirements.txt")
+
+    return [
+        version for version in parser.versions
+        if version != '0.7'
+        and not any(version.startswith(skip_prefix) for skip_prefix in skip_prefixes)
+    ]
 
 
 if __name__ == '__main__':
-    main()
+    for version_to_build in versions_to_build():
+        print(version_to_build)