Add Dockerfile

Dockerfile

@@ -0,0 +1,40 @@
+ARG PYTHON_VERSION=3.9
+FROM docker.io/python:${PYTHON_VERSION}-alpine as builder
+ARG LIBOLM_VERSION=3.2.10
+RUN apk add --no-cache \
+    make \
+    cmake \
+    gcc \
+    g++ \
+    git \
+    libffi-dev \
+    yaml-dev \
+    python3-dev
+
+RUN  set -ex; \
+    git clone -b "${LIBOLM_VERSION}" https://gitlab.matrix.org/matrix-org/olm.git olm && cd olm; \
+    cmake . -Bbuild ; \
+    cmake --build build ; \
+    make install ; \
+    cd python && make olm-python3 ; \
+    mkdir -p "/python-libs" || true ; \
+    DESTDIR="/python-libs" make install-python3
+
+RUN mkdir -p /app/ops_bot
+COPY requirements.txt /app/requirements.txt
+RUN pip install --prefix="/python-libs" -r /app/requirements.txt
+
+FROM docker.io/python:${PYTHON_VERSION}-alpine
+
+COPY --from=builder /python-libs /usr/local
+COPY --from=builder /usr/local/lib/libolm* /usr/local/lib/
+
+RUN apk add --no-cache \
+    libstdc++ bash
+
+RUN mkdir -p /app/ops_bot
+COPY ops_bot/ /app/ops_bot/
+ENV MATRIX_STORE_PATH=/data
+VOLUME ["/data"]
+WORKDIR /app
+ENTRYPOINT ["/usr/local/bin/python", "-m", "ops_bot.main"]