Add support for ARM64

.github/workflows/docker-publish.yml

@@ -1,43 +1,52 @@
-name: Docker
+name: Build and publish on Docker Hub
 
 on:
   push:
-    # Publish `master` as Docker `edge` image.
+    # Publish master as Docker 'edge' image
     branches:
       - master
 
-    # Publish `v1.2.3` tags as same tag and latest release as 'latest'
+    # Publish 'v1.2.3' tags as same tag and latest release as 'latest'
     tags:
       - v*
 
 jobs:
-  push_to_registry:
-    name: Push Docker image to Docker Hub
-
+  build_and_publish:
+    name: Build and publish on Docker Hub
     runs-on: ubuntu-latest
 
     steps:
       - name: Check out the repo
-        uses: actions/checkout@v2
-
-      - name: Get tag name
-        id: get_tag_name
-        run: echo ::set-output name=TAG_NAME::${GITHUB_REF#refs/tags/}
-
-      - name: Publish master as 'edge'
-        if: contains(github.ref, 'master')
-        uses: docker/build-push-action@v1
+        uses: actions/checkout@v6
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
         with:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Build and publish master as 'edge'
+        if: github.ref_name == 'master'
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
           repository: wirepas/${{ github.event.repository.name }}
           tags: edge
-
-      - name: Publish tagged version as 'version' and 'latest'
-        if: "!contains(github.ref, 'master')"
-        uses: docker/build-push-action@v1
+          push: true
+
+      - name: Build and publish tagged version as 'version' and 'latest'
+        if: github.ref_type == 'tag'
+        uses: docker/build-push-action@v6
         with:
-          username: ${{ secrets.DOCKER_USERNAME }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
+          context: .
+          platforms: linux/amd64,linux/arm64
           repository: wirepas/${{ github.event.repository.name }}
-          tags: latest,${{ steps.get_tag_name.outputs.TAG_NAME }}
+          tags: latest,${{ github.ref_name }}
+          push: true

.github/workflows/manual-docker-publish.yml

@@ -0,0 +1,41 @@
+name: Manually build and publish on Docker Hub
+
+on:
+  workflow_dispatch:
+    inputs:
+      tag:
+        description: 'Tag to publish on Docker Hub'
+        required: true
+        type: string
+
+jobs:
+  build_and_publish:
+    name: Manually build and publish on Docker Hub
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out the repo
+        uses: actions/checkout@v6
+        with:
+          ref: ${{ inputs.tag }}
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Build and publish the selected tag
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
+          repository: wirepas/${{ github.event.repository.name }}
+          tags: ${{ inputs.tag }}
+          push: true

Dockerfile

@@ -1,5 +1,18 @@
-FROM ubuntu:24.04
-# Use the 24.04 LTS release instead of latest to have stable environement
+# Ubuntu 24.04 LTS release instead of latest to ensure a stable environment
+FROM ubuntu:24.04 AS base-all
+
+# Use the specified target architecture, or the host architecture if not set
+ARG TARGETARCH
+
+# AMD64 build parameters
+FROM base-all AS build-amd64
+ARG BUILD_ARCH="x86_64"
+
+# ARM64 build parameters
+FROM base-all AS build-arm64
+ARG BUILD_ARCH="aarch64"
+
+FROM build-${TARGETARCH} AS final
 
 # Remove ubuntu user to free uid=1000 and gid=1000
 RUN touch /var/mail/ubuntu && chown ubuntu /var/mail/ubuntu && userdel -r ubuntu
@@ -8,33 +21,41 @@ RUN touch /var/mail/ubuntu && chown ubuntu /var/mail/ubuntu && userdel -r ubuntu
 ARG user=wirepas
 RUN useradd -ms /bin/bash ${user}
 
-# Install python3, pip and wget
+# Install packages for software development: python3, git, doxygen, ...
 RUN apt-get update \
     && apt-get install -y \
        curl \
        doxygen \
        git \
        python3 \
        python3-pip \
+       xz-utils \
     && rm -fr /var/libapt/lists/*
 
-# Install pycryptodome package (Crypto module)
-# needed for scratchpad image generation.
-# Note! Ubuntu python3-pycryptodome system package
-# is based on pycryptodomex (Cryptodome module),
-# not to pycryptodome (Crypto module), thus
-# it cannot be used instead.
+# Install Python packages
+#
+# The pycryptodome package is needed for scratchpad image generation.
+#
+# NOTE: The Ubuntu python3-pycryptodome system package is based on the
+# pycryptodomex Python package, which uses the "Cryptodome" Python namespace.
+# Wirepas SDK utilities use the "Crypto" Python namespace, so the Ubuntu package
+# cannot be used.
 RUN pip3 install --break-system-packages pycryptodome==3.20.0
 
 WORKDIR /home/${user}
 
-# Install Arm compiler
-RUN curl -Lso arm-gnu-toolchain-12.2.rel1-x86_64-arm-none-eabi.tar.xz "https://developer.arm.com/-/media/Files/downloads/gnu/12.2.rel1/binrel/arm-gnu-toolchain-12.2.rel1-x86_64-arm-none-eabi.tar.xz?rev=7bd049b7a3034e64885fa1a71c12f91d&hash=732D909FA8F68C0E1D0D17D08E057619" \
-    && tar -xf arm-gnu-toolchain-12.2.rel1-x86_64-arm-none-eabi.tar.xz -C /opt/ \
-    && rm -f arm-gnu-toolchain-12.2.rel1-x86_64-arm-none-eabi.tar.xz
+# Download and install the correct ARM toolchain based on target architecture
+ARG ARM_TOOLCHAIN_NAME_NO_ARCH="arm-gnu-toolchain-12.2.rel1-arm-none-eabi"
+ARG ARM_TOOLCHAIN_NAME="arm-gnu-toolchain-12.2.rel1-${BUILD_ARCH}-arm-none-eabi"
+ARG ARM_TOOLCHAIN_URL="https://developer.arm.com/-/media/Files/downloads/gnu/12.2.rel1/binrel/${ARM_TOOLCHAIN_NAME}.tar.xz"
+
+RUN curl -Lso arm-gnu-toolchain.tar.xz "${ARM_TOOLCHAIN_URL}" \
+    && tar -xf arm-gnu-toolchain.tar.xz -C /opt/ \
+    && rm -f arm-gnu-toolchain.tar.xz \
+    && ln -s "${ARM_TOOLCHAIN_NAME}" "/opt/${ARM_TOOLCHAIN_NAME_NO_ARCH}"
 
-# Add Gcc 12.2.rel1 compiler to default path
-ENV PATH="/opt/arm-gnu-toolchain-12.2.rel1-x86_64-arm-none-eabi/bin:${PATH}"
+# Add ARM toolchain to default path
+ENV PATH="/opt/${ARM_TOOLCHAIN_NAME_NO_ARCH}/bin:${PATH}"
 
 # No need to be root anymore
 USER ${user}