Still work in progress

Dockerfile

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+FROM buildpack-deps:bookworm
+
+ARG SRV_UID="1000"
+ARG SRV_GID="100"
+ARG SRV_VERSION="0"
+
+ENV SRV_UID $SRV_UID
+ENV SRV_GID $SRV_GID
+ENV SRV_VERSION $SRV_VERSION
+ENV SRV_APT_GET_INSTALL $SRV_APT_GET_INSTALL
+
+RUN apt-get update -y && apt-get install -y openssh-server openssh-client \
+  openssh-sftp-server $SRV_APT_GET_INSTALL && apt-get clean && \
+  rm -rf /var/lib/apt/lists/*
+
+RUN ( id $SRV_UID || useradd -s /bin/bash -d /ssh -u $SRV_UID -g $SRV_GID ssh ) \
+  && mkdir /ssh && chown $SRV_UID:$SRV_GID /ssh
+
+USER $SRV_UID:$SRV_GID
+
+VOLUME /ssh
+
+WORKDIR /ssh
+
+CMD ["bash"]