Container: Add initial container for meshtastic-cli

Just a quick set of files to enable the build of (tagged) containers.
Both alpine and debian containers are available (~200MiB/~1.2GiB)
allowing us to use meshtastic cli with a quick docker run, instead of
having to build/install stuff locally.

Signed-off-by: Olliver Schinagl <[email protected]>

Author: oliv3r

Containerfile

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+Containerfile.alpine

Containerfile.alpine

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+ARG TARGET_VERSION="3.11-alpine"
+ARG TARGET_ARCH="library"
+
+FROM docker.io/${TARGET_ARCH}/python:${TARGET_VERSION}
+
+WORKDIR /src
+
+COPY . /src/
+
+RUN _poetry_venv_dir="$(mktemp -d -p "${TMPDIR:-/tmp}" 'poetry_venv.XXXXXX')" && \
+    python -m 'venv' "${_poetry_venv_dir}" && \
+    "${_poetry_venv_dir}/bin/pip" install 'poetry' && \
+    "${_poetry_venv_dir}/bin/poetry" config --local virtualenvs.create false && \
+    "${_poetry_venv_dir}/bin/poetry" install && \
+    rm -f -r "${_poetry_venv_dir}" && \
+    rm -f -r "/src"
+
+WORKDIR /
+
+COPY "./bin/container-entrypoint.sh" "/init"
+
+ENTRYPOINT [ "/init" ]

Dockerfile

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+Containerfile

bin/container-entrypoint.sh

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+#!/bin/sh
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
+# Copyright (C) 2025 Olliver Schinagl <[email protected]>
+#
+# A beginning user should be able to docker run image bash (or sh) without
+# needing to learn about --entrypoint
+# https://github.com/docker-library/official-images#consistency
+
+set -eu
+
+bin='meshtastic'
+
+# run command if it is not starting with a "-" and is an executable in PATH
+if [ "${#}" -le 0 ] || \
+   [ "${1#-}" != "${1}" ] || \
+   [ -d "${1}" ] || \
+   ! command -v "${1}" > '/dev/null' 2>&1; then
+	entrypoint='true'
+fi
+
+exec ${entrypoint:+${bin:?}} "${@}"
+
+exit 0