improve build readability and speed (by parallelization) (#117)

deb/.dockerignore

@@ -1,8 +0,0 @@
-*
-
-!.dockerignore
-!VERSION
-!entrypoint.sh
-!install.sh
-!gpgparams
-!Dockerfile

deb/Dockerfile

@@ -1,5 +1,16 @@
+### The Deb install is just a repack of the official ProtonMail Bridge deb package with less dependencies.
+### I recommend you don't use this. It's here for legacy reasons.
+
+FROM debian:sid-slim AS build
+
+COPY install.sh PACKAGE /
+RUN apt-get update && apt-get install -y wget binutils
+
+# Repack deb (removes unnecessary dependencies and produces /protonmail.deb)
+RUN bash /install.sh
+
 FROM debian:sid-slim
-LABEL maintainer="Xiaonan Shen <s@sxn.dev>"
+LABEL maintainer="Simon Felding <sife@adm.ku.dk>"
 
 EXPOSE 25/tcp
 EXPOSE 143/tcp
@@ -7,16 +18,11 @@ EXPOSE 143/tcp
 WORKDIR /protonmail
 
 # Copy bash scripts
-COPY gpgparams install.sh entrypoint.sh VERSION /protonmail/
+COPY gpgparams entrypoint.sh PACKAGE /protonmail/
+COPY --from=build /protonmail.deb /tmp/protonmail.deb
 
 RUN apt-get update \
-    && apt-get install -y --no-install-recommends socat pass procps libsecret-1-0 ca-certificates \
+    && apt-get install -y --no-install-recommends /tmp/protonmail.deb socat pass libsecret-1-0 ca-certificates procps \
     && rm -rf /var/lib/apt/lists/*
 
-# Copy bash scripts
-COPY gpgparams entrypoint.sh /protonmail/
-
-# Install dependencies and protonmail bridge
-RUN bash install.sh
-
-ENTRYPOINT ["bash", "/protonmail/entrypoint.sh"]
+CMD ["bash", "/protonmail/entrypoint.sh"]

deb/PACKAGE

@@ -0,0 +1 @@
+https://github.com/ProtonMail/proton-bridge/releases/download/v3.19.0/protonmail-bridge_3.19.0-1_amd64.deb

deb/VERSION

@@ -1 +0,0 @@
-3.19.0-1

deb/install.sh

@@ -1,36 +1,16 @@
 #!/bin/bash
-
 set -ex
 
-VERSION=`cat VERSION`
-DEB_FILE=protonmail-bridge_${VERSION}_amd64.deb
-
-# Install dependents
-apt-get update
-apt-get install -y --no-install-recommends socat pass ca-certificates
-
-# Build time dependencies
-apt-get install -y wget binutils xz-utils
-
 # Repack deb (remove unnecessary dependencies)
 mkdir deb
+wget -i /PACKAGE -O /deb/protonmail.deb
 cd deb
-wget -q https://protonmail.com/download/bridge/${DEB_FILE}
-ar x -v ${DEB_FILE}
+ar x -v protonmail.deb
 mkdir control
 tar zxvf control.tar.gz -C control
 sed -i "s/^Depends: .*$/Depends: libgl1, libc6, libsecret-1-0, libstdc++6, libgcc1/" control/control
 cd control
 tar zcvf ../control.tar.gz .
 cd ../
-ar rcs -v ${DEB_FILE} debian-binary control.tar.gz data.tar.gz
-cd ../
 
-# Install protonmail bridge
-apt-get install -y --no-install-recommends ./deb/${DEB_FILE}
-
-# Cleanup
-apt-get purge -y wget binutils xz-utils
-apt-get autoremove -y
-rm -rf /var/lib/apt/lists/*
-rm -rf deb
+ar rcs -v /protonmail.deb debian-binary control.tar.gz data.tar.gz