add files

Dockerfile

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+FROM ubuntu:22.04 as base
+WORKDIR /workdir
+
+ARG sdk_version=v2.3.0
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+RUN apt-get update && \
+    apt-get upgrade -y && \
+    apt-get -y install wget unzip
+
+# Install toolchain
+# Make nrfutil install in a shared location, because when used with GitHub
+# Actions, the image will be launched with the home dir mounted from the local
+# checkout.
+ENV NRFUTIL_HOME=/usr/local/share/nrfutil
+RUN wget -q https://developer.nordicsemi.com/.pc-tools/nrfutil/x64-linux/nrfutil && \
+    mv nrfutil /usr/local/bin && \
+    chmod +x /usr/local/bin/nrfutil && \
+    nrfutil install toolchain-manager && \
+    nrfutil install toolchain-manager search && \
+    nrfutil toolchain-manager install --ncs-version ${sdk_version} && \
+    nrfutil toolchain-manager list 
+
+#
+# ClangFormat
+#
+RUN apt-get -y install clang-format && \
+    wget -qO- https://raw.githubusercontent.com/nrfconnect/sdk-nrf/${sdk_version}/.clang-format > /workdir/.clang-format
+
+
+
+# Prepare image with a ready to use build environment
+SHELL ["nrfutil","toolchain-manager","launch","/bin/bash","--","-c"]
+RUN west init -m https://github.com/nrfconnect/sdk-nrf --mr ${sdk_version} . && \
+    west update --narrow -o=--depth=1
+
+# Launch into build environment with the passed arguments
+# Currently this is not supported in GitHub Actions
+# See https://github.com/actions/runner/issues/1964
+ENTRYPOINT [ "nrfutil", "toolchain-manager", "launch", "/bin/bash", "--", "/root/entrypoint.sh" ]
+COPY ./entrypoint.sh /root/entrypoint.sh

action.yml

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+name: 'NRF Connect SDK'
+description: 'Building nrf connect sdk projects'
+inputs:
+  board:  # id of input
+    description: 'Board for build'
+    required: true
+  build_dir:
+    description: 'Building directory'
+    required: true
+    default: 'build'
+runs:
+  using: 'docker'
+  image: 'Dockerfile'
+  args:
+    - west 
+    - build 
+    - --board nrf52833dk_nrf52833

docker-compose.yml

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+version: '2'
+
+services:
+  nrf:
+    container_name: nrf
+    build:
+      context: .
+      dockerfile: Dockerfile
+      args:
+        - sdk_version=v2.3.0
+
+

entrypoint.sh

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+#!/bin/bash
+
+. /workdir/zephyr/zephyr-env.sh
+
+exec $@