diff options
Diffstat (limited to 'docker/Dockerfile')
| -rw-r--r-- | docker/Dockerfile | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/docker/Dockerfile b/docker/Dockerfile index 2bdc607e66..306f75ae56 100644 --- a/docker/Dockerfile +++ b/docker/Dockerfile @@ -1,14 +1,17 @@ # Dockerfile to build the matrixdotorg/synapse docker images. # +# Note that it uses features which are only available in BuildKit - see +# https://docs.docker.com/go/buildkit/ for more information. +# # To build the image, run `docker build` command from the root of the # synapse repository: # -# docker build -f docker/Dockerfile . +# DOCKER_BUILDKIT=1 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=3.6 . +# DOCKER_BUILDKIT=1 docker build -f docker/Dockerfile --build-arg PYTHON_VERSION=3.9 . # ARG PYTHON_VERSION=3.8 @@ -19,7 +22,16 @@ ARG PYTHON_VERSION=3.8 FROM docker.io/python:${PYTHON_VERSION}-slim as builder # install the OS build deps -RUN apt-get update && apt-get install -y \ +# +# RUN --mount is specific to buildkit and is documented at +# https://github.com/moby/buildkit/blob/master/frontend/dockerfile/docs/syntax.md#build-mounts-run---mount. +# Here we use it to set up a cache for apt, to improve rebuild speeds on +# slow connections. +# +RUN \ + --mount=type=cache,target=/var/cache/apt,sharing=locked \ + --mount=type=cache,target=/var/lib/apt,sharing=locked \ + apt-get update && apt-get install -y \ build-essential \ libffi-dev \ libjpeg-dev \ @@ -44,7 +56,8 @@ COPY synapse/python_dependencies.py /synapse/synapse/python_dependencies.py # used while you develop on the source # # This is aiming at installing the `install_requires` and `extras_require` from `setup.py` -RUN pip install --prefix="/install" --no-warn-script-location \ +RUN --mount=type=cache,target=/root/.cache/pip \ + pip install --prefix="/install" --no-warn-script-location \ /synapse[all] # Copy over the rest of the project @@ -66,7 +79,10 @@ LABEL org.opencontainers.image.documentation='https://github.com/matrix-org/syna LABEL org.opencontainers.image.source='https://github.com/matrix-org/synapse.git' LABEL org.opencontainers.image.licenses='Apache-2.0' -RUN apt-get update && apt-get install -y \ +RUN \ + --mount=type=cache,target=/var/cache/apt,sharing=locked \ + --mount=type=cache,target=/var/lib/apt,sharing=locked \ + apt-get update && apt-get install -y \ curl \ gosu \ libjpeg62-turbo \ |