# syntax=docker.io/docker/dockerfile:1.21-labs@sha256:2e681d22e86e738a057075f930b81b2ab8bc2a34cd16001484a7453cfa7a03fb # Builder FROM --platform=$BUILDPLATFORM node:24-bullseye@sha256:d83f76ec9956d35fe14221022e8b5a87a5de6fcdb4edb1187eddeb7dc80cba71 AS builder # Support custom branch of the js-sdk. This also helps us build images of element-web develop. ARG USE_CUSTOM_SDKS=false ARG JS_SDK_REPO="https://github.com/matrix-org/matrix-js-sdk.git" ARG JS_SDK_BRANCH="master" WORKDIR /src COPY --exclude=docker . /src RUN corepack enable RUN /src/scripts/docker-link-repos.sh RUN pnpm install RUN /src/scripts/docker-package.sh # Copy the config now so that we don't create another layer in the app image RUN cp /src/apps/web/config.sample.json /src/apps/web/webapp/config.json # App FROM nginxinc/nginx-unprivileged:alpine-slim@sha256:800307aaf07c143f5d90aa9d4269cc1971dcfe5aee7cabd11579ac4c6bcf198f # Need root user to install packages & manipulate the usr directory USER root # Install jq and moreutils for sponge, both used by our entrypoints RUN apk add jq moreutils COPY --from=builder /src/apps/web/webapp /app # Override default nginx config. Templates in `/etc/nginx/templates` are passed # through `envsubst` by the nginx docker image entry point. COPY /apps/web/docker/nginx-templates/* /etc/nginx/templates/ COPY /apps/web/docker/docker-entrypoint.d/* /docker-entrypoint.d/ RUN rm -rf /usr/share/nginx/html \ && ln -s /app /usr/share/nginx/html # Run as nginx user by default USER nginx # HTTP listen port ENV ELEMENT_WEB_PORT=80 HEALTHCHECK --start-period=5s CMD wget -q --spider http://localhost:$ELEMENT_WEB_PORT/config.json