init

docker/Dockerfile

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+# To build the image, run `docker build` command from the root of the
+# repository:
+#
+#    docker build -f docker/Dockerfile .
+#
+# There is an optional PYTHON_VERSION build argument which sets the
+# version of python to build against. For example:
+#
+#    docker build -f docker/Dockerfile --build-arg PYTHON_VERSION=3.8 .
+#
+# An optional LIBOLM_VERSION build argument which sets the
+# version of libolm to build against. For example:
+#
+#    docker build -f docker/Dockerfile --build-arg LIBOLM_VERSION=3.1.4 .
+#
+
+
+##
+## Creating a builder container
+##
+
+# We use an initial docker container to build all of the runtime dependencies,
+# then transfer those dependencies to the container we're going to ship,
+# before throwing this one away
+ARG PYTHON_VERSION=3.8
+FROM docker.io/python:${PYTHON_VERSION}-alpine3.11 as builder
+
+##
+## Build libolm for matrix-nio e2e support
+##
+
+# Install libolm build dependencies
+ARG LIBOLM_VERSION=3.1.4
+RUN apk add --no-cache \
+    make \
+    cmake \
+    gcc \
+    g++ \
+    git \
+    libffi-dev \
+    yaml-dev \
+    python3-dev
+
+# Build libolm
+#
+# Also build the libolm python bindings and place them at /python-libs
+# We will later copy contents from both of these folders to the runtime
+# container
+COPY docker/build_and_install_libolm.sh /scripts/
+RUN /scripts/build_and_install_libolm.sh ${LIBOLM_VERSION} /python-libs
+
+# Install Postgres dependencies
+RUN apk add --no-cache \
+    musl-dev \
+    libpq \
+    postgresql-dev
+
+# Install python runtime modules. We do this before copying the source code
+# such that these dependencies can be cached
+# This speeds up subsequent image builds when the source code is changed
+RUN mkdir -p /src/my_project_name
+COPY my_project_name/__init__.py /src/my_project_name/
+COPY README.md my-project-name /src/
+
+# Build the dependencies
+COPY setup.py /src/setup.py
+RUN pip install --prefix="/python-libs" --no-warn-script-location "/src/.[postgres]"
+
+# Now copy the source code
+COPY *.py *.md /src/
+COPY my_project_name/*.py /src/my_project_name/
+
+# And build the final module
+RUN pip install --prefix="/python-libs" --no-warn-script-location "/src/.[postgres]"
+
+##
+## Creating the runtime container
+##
+
+# Create the container we'll actually ship. We need to copy libolm and any
+# python dependencies that we built above to this container
+FROM docker.io/python:${PYTHON_VERSION}-alpine3.11
+
+# Copy python dependencies from the "builder" container
+COPY --from=builder /python-libs /usr/local
+
+# Copy libolm from the "builder" container
+COPY --from=builder /usr/local/lib/libolm* /usr/local/lib/
+
+# Install any native runtime dependencies
+RUN apk add --no-cache \
+    libstdc++ \
+    libpq \
+    postgresql-dev
+
+# Specify a volume that holds the config file, SQLite3 database,
+# and the matrix-nio store
+VOLUME ["/data"]
+
+# Start the bot
+ENTRYPOINT ["my-project-name", "/data/config.yaml"]