amd64.dockerfile

@@ -0,0 +1,17 @@
+FROM amd64/python:3.7-alpine as base
+
+FROM base as builder
+
+# add build utils (gcc, others)
+RUN apk add build-base
+
+FROM base
+
+COPY . /bumper
+
+WORKDIR /bumper
+
+# install required python packages
+RUN pip3 install -r requirements.txt
+
+ENTRYPOINT ["python3", "-m", "bumper"]

arm32v5.dockerfile

@@ -0,0 +1,26 @@
+FROM alpine as builder
+
+# Download QEMU, see https://github.com/docker/hub-feedback/issues/1261
+ENV QEMU_URL https://github.com/balena-io/qemu/releases/download/v3.0.0%2Bresin/qemu-3.0.0+resin-arm.tar.gz
+RUN apk add curl && curl -L ${QEMU_URL} | tar zxvf - -C . --strip-components 1
+
+FROM arm32v5/python:3.7-alpine as base
+
+# Add QEMU
+COPY --from=builder qemu-arm-static /usr/bin
+
+FROM base as builder
+
+# add build utils (gcc, others)
+RUN apk add build-base
+
+FROM base
+
+COPY . /bumper
+
+WORKDIR /bumper
+
+# install required python packages
+RUN pip3 install -r requirements.txt
+
+ENTRYPOINT ["python3", "-m", "bumper"]

arm32v7.dockerfile

@@ -0,0 +1,26 @@
+FROM alpine as builder
+
+# Download QEMU, see https://github.com/docker/hub-feedback/issues/1261
+ENV QEMU_URL https://github.com/balena-io/qemu/releases/download/v3.0.0%2Bresin/qemu-3.0.0+resin-arm.tar.gz
+RUN apk add curl && curl -L ${QEMU_URL} | tar zxvf - -C . --strip-components 1
+
+FROM arm32v7/python:3.7-alpine as base
+
+# Add QEMU
+COPY --from=builder qemu-arm-static /usr/bin
+
+FROM base as builder
+
+# add build utils (gcc, others)
+RUN apk add build-base
+
+FROM base
+
+COPY . /bumper
+
+WORKDIR /bumper
+
+# install required python packages
+RUN pip3 install -r requirements.txt
+
+ENTRYPOINT ["python3", "-m", "bumper"]

arm64v8.dockerfile

@@ -0,0 +1,26 @@
+FROM alpine as builder
+
+# Download QEMU, see https://github.com/docker/hub-feedback/issues/1261
+ENV QEMU_URL https://github.com/balena-io/qemu/releases/download/v3.0.0%2Bresin/qemu-3.0.0+resin-aarch64.tar.gz
+RUN apk add curl && curl -L ${QEMU_URL} | tar zxvf - -C . --strip-components 1
+
+FROM arm64v8/python:3.7-alpine as base
+
+# Add QEMU
+COPY --from=builder qemu-aarch64-static /usr/bin
+
+FROM base as builder
+
+# add build utils (gcc, others)
+RUN apk add build-base
+
+FROM base
+
+COPY . /bumper
+
+WORKDIR /bumper
+
+# install required python packages
+RUN pip3 install -r requirements.txt
+
+ENTRYPOINT ["python3", "-m", "bumper"]

hooks/post_push

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+#!/bin/bash
+
+# Use manifest-tool to create the manifest, given the experimental
+# "docker manifest" command isn't available yet on Docker Hub.
+
+curl -Lo manifest-tool https://github.com/estesp/manifest-tool/releases/download/v1.0.0/manifest-tool-linux-amd64
+chmod +x manifest-tool
+
+./manifest-tool push from-spec multi-arch-manifest.yaml

hooks/pre_build

@@ -0,0 +1,5 @@
+#!/bin/bash
+
+# Register qemu-*-static for all supported processors except the 
+# current one, but also remove all registered binfmt_misc before
+docker run --rm --privileged multiarch/qemu-user-static:register --reset