Add meow dockerfile

N.B. requires requirements.txt to be generated in repo root beforehand

.dockerignore

@@ -8,6 +8,7 @@
 !README.rst
 !pyproject.toml
 !poetry.lock
+!requirements.txt
 !Cargo.lock
 !Cargo.toml
 !build_rust.py

.gitlab-ci.yml

+image: docker:stable
+
+stages:
+- build
+
+build amd64:
+  stage: build
+  tags:
+  - amd64
+  only:
+  - master
+  before_script:
+  - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
+  script:
+  - synversion=$(cat pyproject.toml | grep '^version =' | sed -E 's/^version = "(.+)"$/\1/')
+  - docker build --tag $CI_REGISTRY_IMAGE:latest --tag $CI_REGISTRY_IMAGE:$synversion .
+  - docker push $CI_REGISTRY_IMAGE:latest
+  - docker push $CI_REGISTRY_IMAGE:$synversion
+  - docker rmi $CI_REGISTRY_IMAGE:latest $CI_REGISTRY_IMAGE:$synversion

Dockerfile

+ARG PYTHON_VERSION=3.13
+
+FROM docker.io/python:${PYTHON_VERSION}-slim as builder
+
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    libffi-dev \
+    libjpeg-dev \
+    libpq-dev \
+    libssl-dev \
+    libwebp-dev \
+    libxml++2.6-dev \
+    libxslt1-dev \
+    zlib1g-dev \
+    openssl \
+    git \
+    curl \
+ && rm -rf /var/lib/apt/lists/*
+
+ENV RUSTUP_HOME=/rust
+ENV CARGO_HOME=/cargo
+ENV PATH=/cargo/bin:/rust/bin:$PATH
+RUN mkdir /rust /cargo
+
+RUN curl -sSf https://sh.rustup.rs | sh -s -- -y --no-modify-path --default-toolchain stable
+
+COPY synapse /synapse/synapse/
+COPY rust /synapse/rust/
+COPY README.rst pyproject.toml requirements.txt build_rust.py /synapse/
+
+RUN pip install --prefix="/install" --no-warn-script-location --ignore-installed \
+        --no-deps -r /synapse/requirements.txt \
+ && pip install --prefix="/install" --no-warn-script-location \
+        --no-deps \
+	'synapse-simple-antispam @ git+https://github.com/maunium/synapse-simple-antispam' \
+	'synapse-http-antispam @ git+https://github.com/maunium/synapse-http-antispam' \
+	'shared_secret_authenticator @ git+https://github.com/devture/matrix-synapse-shared-secret-auth@2.0.3' \
+ && pip install --prefix="/install" --no-warn-script-location \
+        --no-deps /synapse
+
+FROM docker.io/python:${PYTHON_VERSION}-slim
+
+RUN apt-get update && apt-get install -y \
+    curl \
+    libjpeg62-turbo \
+    libpq5 \
+    libwebp7 \
+    xmlsec1 \
+    libjemalloc2 \
+    openssl \
+ && rm -rf /var/lib/apt/lists/*
+
+COPY --from=builder /install /usr/local
+
+VOLUME ["/data"]
+ENV LD_PRELOAD="/usr/lib/x86_64-linux-gnu/libjemalloc.so.2"
+
+ENTRYPOINT ["python3", "-m", "synapse.app.homeserver"]
+CMD ["--keys-directory", "/data", "-c", "/data/homeserver.yaml"]
+
+HEALTHCHECK --start-period=5s --interval=1m --timeout=5s \
+  CMD curl -fSs http://localhost:8008/health || exit 1