# syntax=docker.io/docker/dockerfile:1.20-labs@sha256:dbcde2ebc4abc8bb5c3c499b9c9a6876842bf5da243951cd2697f921a7aeb6a9 # Builder FROM --platform=$BUILDPLATFORM node:24-bullseye@sha256:5583cbe5d3347db372d9a9100eba272b548ca1f53246b9b769334bcd0eef2c26 AS builder # Support custom branch of the js-sdk. This also helps us build images of element-web develop. ARG USE_CUSTOM_SDKS=false ARG JS_SDK_REPO="https://github.com/matrix-org/matrix-js-sdk.git" ARG JS_SDK_BRANCH="master" WORKDIR /src COPY --exclude=docker . /src RUN /src/scripts/docker-link-repos.sh RUN yarn --network-timeout=200000 install RUN /src/scripts/docker-package.sh # Copy the config now so that we don't create another layer in the app image RUN cp /src/config.sample.json /src/webapp/config.json # App FROM nginxinc/nginx-unprivileged:alpine-slim@sha256:a6bec37058b9047ece799c01d98dc6d5aa0542b6583cc69f187652f91331a752 # Need root user to install packages & manipulate the usr directory USER root # Install jq and moreutils for sponge, both used by our entrypoints RUN apk add jq moreutils COPY --from=builder /src/webapp /app # Override default nginx config. Templates in `/etc/nginx/templates` are passed # through `envsubst` by the nginx docker image entry point. COPY /docker/nginx-templates/* /etc/nginx/templates/ COPY /docker/docker-entrypoint.d/* /docker-entrypoint.d/ RUN rm -rf /usr/share/nginx/html \ && ln -s /app /usr/share/nginx/html # Run as nginx user by default USER nginx # HTTP listen port ENV ELEMENT_WEB_PORT=80 HEALTHCHECK --start-period=5s CMD wget -q --spider http://localhost:$ELEMENT_WEB_PORT/config.json