Move existing Dockerfile

move existing Dockerfile in a separate docker folder to avoid overwritting it with the one generated by tpaexec execution environment.

docker/Dockerfile

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+# © Copyright EnterpriseDB UK Limited 2015-2024 - All rights reserved.
+
+# Build this container image like this
+#
+#  docker build -t tpaexec:$(git describe --tags) -t tpaexec:latest .
+
+# To use the container image, create a shell alias like this
+#
+#   alias tpaexec="docker run --rm -v $PWD:/work -v $HOME/.git:/root/.git -v $HOME/.gitconfig:/root/.gitconfig \
+#      -v /var/run/docker.sock:/var/run/docker.sock \
+#      -e USER_ID=$(id -u) -e GROUP_ID=$(id -g) tpaexec"
+#
+# Then run commands like this
+#
+#   tpaexec configure cluster -a M1 --postgresql 15 --failover-manager patroni --platform docker
+#   tpaexec deploy cluster
+
+FROM debian:bookworm-slim
+
+LABEL maintainer="EDB <[email protected]>"
+
+# Copy tpaexec sources from the current directory into the image
+ENV TPA_DIR=/opt/EDB/TPA
+
+COPY . ${TPA_DIR}
+
+# Set up repositories and install packages, including the Docker CE CLI
+# (https://docs.docker.com/engine/install/debian/).
+
+RUN apt-get -y update && \
+    apt-get -y install --no-install-recommends \
+      curl gnupg apt-transport-https \
+      python3 python3-dev python3-pip python3-venv \
+      openvpn patch git gcc && \
+    curl -fsSL https://download.docker.com/linux/debian/gpg >/etc/apt/trusted.gpg.d/docker.asc && \
+    codename=$(awk -F= '/VERSION_CODENAME/{print $2}' /etc/os-release) && \
+    arch=$(dpkg --print-architecture) && \
+    echo "deb [arch=$arch] https://download.docker.com/linux/debian $codename stable" \
+      >/etc/apt/sources.list.d/docker.list && \
+    apt-get -y update && \
+    apt-get -y install --no-install-recommends docker-ce-cli && \
+    \
+    # run `tpaexec setup` to complete the installation, and then `tpaexec selftest` to verify it. \
+    \
+    ln -sf ${TPA_DIR}/bin/tpaexec /usr/local/bin && \
+    mkdir /opt/2ndQuadrant/ && \
+    ln -sf ${TPA_DIR} /opt/2ndQuadrant/TPA && \
+    tpaexec setup --use-community-ansible && \
+    tpaexec selftest && \
+    (cd "${TPA_DIR}" && git describe --tags >VERSION) && \
+    \
+    # Clean up unnecessary files and packages \
+    \
+    rm -rf ${TPA_DIR}/.[a-z]* && \
+    apt purge -y gcc python3-dev python3-pip python3-venv build-essential && \
+    apt autoremove -y && \
+    apt autoclean -y && \
+    apt clean -y && \
+    rm -rf /var/cache/apt /var/lib/apt/lists
+
+WORKDIR /work
+CMD ["--help"]
+ENTRYPOINT ["/opt/EDB/TPA/entrypoint.sh"]

docker/README.md

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+# Run TPA from a docker container
+
+This Dockerfile should be used to run tpa from a container.
+
+ Build this container image like this from TPA source folder
+
+``` bash
+  docker build -f docker/Dockerfile -t tpaexec:$(git describe --tags) -t tpaexec:latest .
+```
+
+ To use the container image, create a shell alias like this
+
+``` bash
+   alias tpaexec="docker run --rm -v $PWD:/work -v $HOME/.git:/root/.git -v $HOME/.gitconfig:/root/.gitconfig \
+      -v /var/run/docker.sock:/var/run/docker.sock \
+      -e USER_ID=$(id -u) -e GROUP_ID=$(id -g) tpaexec"
+```
+
+ Then run commands like this
+
+``` bash
+   tpaexec configure cluster -a M1 --postgresql 15 --failover-manager patroni --platform docker
+   tpaexec deploy cluster
+```