protonmail-bridge-docker/build/Containerfile
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fix: home directory needs to be mountable as vol
2026-05-18 10:12:26 +01:00

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Docker

FROM golang:1-trixie AS build
ARG version
# Install dependencies
RUN apt-get update && apt-get install -y golang build-essential libsecret-1-dev libfido2-dev libcbor-dev
# Build
ADD https://github.com/ProtonMail/proton-bridge.git#${version} /build/
WORKDIR /build/
RUN make build-nogui vault-editor
FROM debian:trixie-slim
LABEL maintainer="SR2 Communications <contact@sr2.uk>"
EXPOSE 25/tcp
EXPOSE 143/tcp
# Install dependencies and protonmail bridge
RUN apt-get update \
&& apt-get install -y --no-install-recommends socat pass libsecret-1-0 libfido2-1 libcbor0.10 ca-certificates adduser \
&& rm -rf /var/lib/apt/lists/*
# Create app user
RUN addgroup --gid 19994 protonmail && \
adduser --uid 19994 --gid 19994 --shell /bin/bash --home /data protonmail
# Copy bash scripts
COPY --chown=19994:19994 gpgparams entrypoint.sh /protonmail/
# Copy protonmail
COPY --from=build --chown=19994:19994 /build/bridge /protonmail/
COPY --from=build --chown=19994:19994 /build/proton-bridge /protonmail/
COPY --from=build --chown=19994:19994 /build/vault-editor /protonmail/
WORKDIR /protonmail
USER 19994
ENTRYPOINT ["bash", "/protonmail/entrypoint.sh"]