ProtonMailBridgeDocker/Dockerfile at master · VideoCurio/ProtonMailBridgeDocker · GitHub

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FROM --platform=$TARGETPLATFORM golang:1.26-trixie AS build
LABEL authors="David BASTIEN"
ARG ENV_PROTONMAIL_BRIDGE_VERSION
ARG TARGETPLATFORM
ARG BUILDPLATFORM

# Install dependencies
RUN set -eux; \
  apt-get update; \
  apt-get install -y git build-essential libfido2-dev libsecret-1-dev libcbor-dev

# Build stage
WORKDIR /build/
RUN set -eux; \
  git clone -b $ENV_PROTONMAIL_BRIDGE_VERSION https://github.com/ProtonMail/proton-bridge.git
WORKDIR /build/proton-bridge/
RUN set -eux; \
  make build-nogui vault-editor

# Working stage image
FROM --platform=$TARGETPLATFORM debian:trixie-slim
LABEL authors="David BASTIEN"
LABEL org.opencontainers.image.source="https://github.com/VideoCurio/ProtonMailBridgeDocker"
LABEL org.opencontainers.image.description="A docker version of the Proton Mail Bridge command line interface, providing local SMTP/IMAP servers for Proton Mail accounts."
LABEL org.opencontainers.image.title="Proton Mail Bridge Docker"
LABEL org.opencontainers.image.licenses="GPL-3.0-or-later"

# Define arguments and env variables
ARG TARGETPLATFORM
# Indicate (NOT define) the ports/network interface really used by Proton bridge mail.
ARG ENV_BRIDGE_SMTP_PORT=1025
ARG ENV_BRIDGE_IMAP_PORT=1143
ARG ENV_BRIDGE_HOST=127.0.0.1
# Change ENV_CONTAINER_SMTP_PORT only if you have a docker port conflict on host network namespace.
ARG ENV_CONTAINER_SMTP_PORT=25
ARG ENV_CONTAINER_IMAP_PORT=143
ENV PROTON_BRIDGE_SMTP_PORT=$ENV_BRIDGE_SMTP_PORT
ENV PROTON_BRIDGE_IMAP_PORT=$ENV_BRIDGE_IMAP_PORT
ENV PROTON_BRIDGE_HOST=$ENV_BRIDGE_HOST
ENV CONTAINER_SMTP_PORT=$ENV_CONTAINER_SMTP_PORT
ENV CONTAINER_IMAP_PORT=$ENV_CONTAINER_IMAP_PORT

ENV ENV_TARGET_PLATFORM=$TARGETPLATFORM

# Install dependencies
RUN set -eux; \
  apt-get update; \
  apt-get install -y --no-install-recommends \
    bash \
    socat \
    net-tools \
    procps \
    pass \
    ca-certificates \
    libsecret-1-0 \
    libfido2-1 \
    gnupg \
    tini \
  ; \
  rm -rf /var/lib/apt/lists/*

# Copy executables made during previous stage
WORKDIR /usr/bin/
COPY --from=build /build/proton-bridge/bridge /usr/bin/
COPY --from=build /build/proton-bridge/proton-bridge /usr/bin/
COPY --from=build /build/proton-bridge/vault-editor /usr/bin/

# Install needed scripts and files
WORKDIR /app/
COPY VERSION /app/
COPY entrypoint.sh /app/
RUN chmod u+x /app/entrypoint.sh
COPY GPGparams.txt /app/

COPY LICENSE.txt /app/

# Volume to save pass and bridge configurations/data
VOLUME /root

# Healthcheck
HEALTHCHECK --interval=30s --timeout=5s --start-period=15s --retries=3 \
  CMD netstat -ltn | grep -q ":$CONTAINER_SMTP_PORT " && \
      netstat -ltn | grep -q ":$CONTAINER_IMAP_PORT " || exit 1

ENTRYPOINT ["/usr/bin/tini", "--", "/app/entrypoint.sh"]