sr2/protonmail-bridge-docker
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feat: slim runtime and non-root user
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Iain Learmonth 2026-05-18 09:29:10 +01:00
parent 77144a85e4
commit dfe8fc7ae3
1 changed files with 14 additions and 6 deletions
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build/Containerfile
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@ -10,7 +10,7 @@ ADD https://github.com/ProtonMail/proton-bridge.git#${version} /build/
WORKDIR /build/
RUN make build-nogui vault-editor
FROM golang:1-trixie
FROM debian:trixie-slim
LABEL maintainer="SR2 Communications <contact@sr2.uk>"
EXPOSE 25/tcp
@ -18,15 +18,23 @@ EXPOSE 143/tcp
# Install dependencies and protonmail bridge
RUN apt-get update \
&& apt-get install -y --no-install-recommends socat pass libsecret-1-0 ca-certificates \
&& 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 /protonmail protonmail
# Copy bash scripts
COPY gpgparams entrypoint.sh /protonmail/
COPY --chown=19994:19994 gpgparams entrypoint.sh /protonmail/
# Copy protonmail
COPY --from=build /build/bridge /protonmail/
COPY --from=build /build/proton-bridge /protonmail/
COPY --from=build /build/vault-editor /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"]