Add embedded-gateway-builder docker

.github/workflows/build-docker.yml

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+name: Embedded Gateway Builder
+
+on:
+  workflow_dispatch:
+    inputs:
+      tag:
+        description: 'Tag to push on Docker Hub'
+        required: true
+      push_image:
+        description: 'Push Docker image'
+        required: false
+        default: false
+  push:
+    branches:
+      - main
+      - work/image-builder
+    paths:
+      - .github/workflows/build-docker.yml
+      - Dockerfile
+    tags:
+      - 'v*'
+
+jobs:
+  build:
+    name: Build and push embedded-gateway-builder image
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Clone
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Set tags based on event
+        env:
+          IMAGE_NAME: wirepas/embedded-gateway-builder
+        run: |
+          # For a push triggered event, use the edge tag and push
+          if [[ "${{ github.event_name }}" == "push" ]]; then
+            echo "TAG=${IMAGE_NAME}:edge" >> $GITHUB_ENV
+            echo "PUSH_IMAGE=true" >> $GITHUB_ENV
+
+          # For a manually triggered event, use the provided input prefixed by "manual_" for the tag and push if needed
+          elif [[ "${{ github.event_name }}" == "workflow_dispatch" ]]; then
+            echo "TAG=${IMAGE_NAME}:manual_${{ github.event.inputs.tag }}" >> $GITHUB_ENV
+            echo "PUSH_IMAGE=${{ github.event.inputs.push_image || 'false' }}" >> $GITHUB_ENV
+
+          # For a tag triggered event, use the version for the tag and push
+          elif [[ "${{ github.event_name }}" == "tag" ]]; then
+            echo "TAG=${IMAGE_NAME}:${{ github.ref_name }}" >> $GITHUB_ENV
+            echo "PUSH_IMAGE=true" >> $GITHUB_ENV
+          fi
+
+      - name: Build and push embedded-gateway-builder to GitHub Packages
+        uses: docker/build-push-action@v6
+        with:
+          push: ${{ env.PUSH_IMAGE }}
+          tags: ${{ env.TAG }}

Dockerfile

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+FROM ubuntu:24.04
+# Use the 20.04 LTS release instead of latest to have stable environement
+
+# Create a default Wirepas user
+ARG user=wirepas
+RUN useradd -ms /bin/bash ${user}
+
+# Install python3, pip and wget
+RUN apt-get update \
+    && apt-get install -y \
+       bzip2 \
+       cmake \
+       curl \
+       libglib2.0-0 \
+       ninja-build \
+       python3 \
+       git \
+    && rm -fr /var/libapt/lists/*
+
+WORKDIR /home/${user}
+
+COPY libicu55_55.1-7ubuntu0.5_amd64.deb libicu55_55.1-7ubuntu0.5_amd64.deb
+RUN apt install ./libicu55_55.1-7ubuntu0.5_amd64.deb && rm ./libicu55_55.1-7ubuntu0.5_amd64.deb
+
+# Install Arm compiler
+RUN curl -Lso gcc-arm-none-eabi-7-2017-q4-major-linux.tar.bz2 "https://armkeil.blob.core.windows.net/developer/Files/downloads/gnu-rm/7-2017q4/gcc-arm-none-eabi-7-2017-q4-major-linux.tar.bz2" \
+    && tar xjf gcc-arm-none-eabi-7-2017-q4-major-linux.tar.bz2 -C /opt/ \
+    && rm -f gcc-arm-none-eabi-7-2017-q4-major-linux.tar.bz2
+
+# Add Gcc 7 compiler to default path
+ENV PATH="/opt/gcc-arm-none-eabi-7-2017-q4-major/bin:${PATH}"
+
+RUN apt-get update \
+    && apt-get install -y \
+       libglib2.0-0 \
+    && rm -fr /var/libapt/lists/*
+
+# No need to be root anymore
+USER ${user}
+
+# Default to bash console
+CMD ["/bin/bash"]