Posix bits (#6)

.github/workflows/publish.yml

@@ -112,4 +112,44 @@ jobs:
           tags: ghcr.io/${{ github.repository_owner }}/zephyr:${{ matrix.toolchain.nick }}-${{ matrix.sdk }}SDK
           build-args: |
             BASE_IMAGE=ghcr.io/embeddedcontainers/zephyr:base-${{ matrix.sdk }}SDK
-            ZEPHYR_SDK_TOOLCHAINS=-t ${{ matrix.toolchain.arch }}
+            ZEPHYR_SDK_TOOLCHAINS=-t ${{ matrix.toolchain.arch }}
+
+  posix:
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+      packages: write
+
+    strategy:
+      matrix:
+        sdk: [0.16.4]
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup Docker buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log into GitHub Container Registry
+        # if: github.event_name != 'pull_request'
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push base image
+        id: build-and-push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: ./zephyr-posix/Dockerfile
+          # push: ${{ github.event_name != 'pull_request' }}
+          push: true
+          platforms: linux/amd64
+          provenance: false
+          tags: ghcr.io/${{ github.repository_owner }}/zephyr:posix-${{ matrix.sdk }}SDK
+          build-args: |
+            BASE_IMAGE=ghcr.io/embeddedcontainers/zephyr:base-${{ matrix.sdk }}SDK

README.md

@@ -30,4 +30,10 @@ _To build an image for multiple toolchains:_
 
 ```
 docker build --build-arg BASE_IMAGE="zephyr:base-0.16.4SDK" --build-arg ZEPHYR_SDK_TOOLCHAINS="-t arm-zephyr-eabi -t x86_64-zephyr-elf" -f "./zephyr/Dockerfile" -t zephyr:arm_x86-0.16.4SDK "./zephyr"
+```
+
+_There is a different Dockerfile for Posix target like `native_sim`. To build:_
+
+```
+docker build --build-arg BASE_IMAGE="zephyr:base-0.16.4SDK" -f "./zephyr-posix/Dockerfile" -t zephyr:posix-0.16.4SDK "./zephyr-posix"
 ```

zephyr-posix/Dockerfile

@@ -0,0 +1,29 @@
+ARG ZEPHYR_SDK_VERSION=0.16.4
+ARG ZEPHYR_SDK_INSTALL_DIR=/opt/toolchains/zephyr-sdk-${ZEPHYR_SDK_VERSION}
+ARG BASE_IMAGE="zephyr:base-${ZEPHYR_SDK_VERSION}SDK"
+
+FROM ${BASE_IMAGE}
+
+# OS dependencies and packages
+
+RUN \
+  apt-get -y update \
+  && apt-get -y install --no-install-recommends \
+  gcc-multilib \
+  make \
+  && apt-get clean \
+  && rm -rf /var/lib/apt/lists/*
+
+# Zephyr SDK
+
+ARG ZEPHYR_SDK_INSTALL_DIR
+
+RUN \
+  apt-get -y update \
+  && apt-get -y install --no-install-recommends \
+  wget \
+  && ${ZEPHYR_SDK_INSTALL_DIR}/setup.sh -c \
+  && apt-get remove -y --purge \
+  wget \
+  && apt-get clean \
+  && rm -rf /var/lib/apt/lists/*