Update for bridge 3.0.x.

Dockerfile

@@ -1,23 +1,27 @@
 # Build the ProtonMail Bridge.
-FROM golang:1.16-alpine as build
+FROM golang:1.18-buster as build
 ENV LANG C.UTF-8
-RUN apk add --no-cache \
-      bash \
-      curl \
-      gcc \
-      git \
-      libsecret-dev \
-      make \
-      musl-dev
-WORKDIR /usr/src
 
+# Install required build packages
+RUN apt-get update \
+ && apt-get install -y \
+      bash \
+      build-essential \
+      curl \
+      git \
+      libsecret-1-dev \
+      musl-dev
+
+# Download/build the application
+WORKDIR /usr/src
 ARG RELEASE
 ARG TAG
 RUN if [ -n "$RELEASE" ]; then \
          echo "Using release $RELEASE..." \
       && curl -L -s "https://github.com/ProtonMail/proton-bridge/archive/$RELEASE.tar.gz" | tar zx \
-      && ln -s "proton-bridge-$RELEASE" proton-bridge \
-      && cd proton-bridge \
+	  && export PROTON_BRIDGE="proton-bridge-$(echo $RELEASE | sed -e 's/^\(v\|br\)//')" \
+	  && ln -s "${PROTON_BRIDGE}" proton-bridge \
+      && cd "${PROTON_BRIDGE}" \
   ; else \
          git clone https://github.com/ProtonMail/proton-bridge.git proton-bridge \
       && cd proton-bridge \
@@ -26,21 +30,26 @@ RUN if [ -n "$RELEASE" ]; then \
  && make build-nogui
 
 # Create a container for the ProtonMail Bridge.
-FROM alpine:edge
+FROM debian:stable
 ENV LANG C.UTF-8
 
 EXPOSE 25/tcp
 EXPOSE 143/tcp
 
 COPY --from=build /usr/src/proton-bridge/proton-bridge /bin/proton-bridge
+COPY --from=build /usr/src/proton-bridge/bridge /bin/bridge
 COPY entrypoint /bin/
 COPY initproton /bin/
-RUN apk add --no-cache \
-      libsecret \
-      pass \
-      socat \
-      su-exec \
- && chmod +x /bin/entrypoint \
+RUN apt-get update\
+ && apt-get install -y --no-install-recommends --no-install-suggests\
+      libcap2\
+      libsecret-1-0\
+      gosu\
+      gpg-agent\
+      pass\
+      socat\
+ && rm -rf /var/lib/apt/lists/*\
+ && chmod +x /bin/entrypoint\
  && chmod +x /bin/initproton
 
 WORKDIR /var/lib/proton

entrypoint

@@ -9,13 +9,11 @@ GROUP=proton
 if getent group $GROUP_ID > /dev/null; then
   echo "Using group $GROUP with GID $GROUP_ID..."
   GROUP=$(getent group $GROUP_ID | cut -d: -f1)
-  echo "Using group $GROUP with GID $GROUP_ID..."
 else
   echo "Adding group $GROUP with GID $GROUP_ID..."
   addgroup -g $GROUP_ID $GROUP
 fi
-echo "Adding user proton with group $GROUP..."
-echo adduser -D -u $USER_ID -G $GROUP -h /var/lib/proton -s /bin/sh proton
+echo "Adding user proton ($USER_ID) with group $GROUP ${GROUP_ID}..."
 adduser -D -u $USER_ID -G $GROUP -h /var/lib/proton -s /bin/sh proton
 chown -R ${USER_ID}:${GROUP_ID} /var/lib/proton
 export HOME=/var/lib/proton
@@ -27,4 +25,5 @@ setcap 'cap_net_bind_service=+ep' /usr/bin/socat
 socat TCP-LISTEN:25,fork TCP:127.0.0.1:1025 &
 socat TCP-LISTEN:143,fork TCP:127.0.0.1:1143 &
 
-exec /sbin/su-exec proton "$@"
+echo "Starting ProtonMail Bridge..."
+exec /usr/sbin/gosu proton "$@"

initproton

@@ -1,7 +1,7 @@
 #!/bin/bash
 set -eufo pipefail
 
-BRIDGE=/bin/proton-bridge
+BRIDGE=/bin/bridge
 FIFO=/tmp/fifo
 PRINT_INFO=${PRINT_INFO:-""}
 
@@ -11,14 +11,20 @@ if [ -n "$PASS_FILE" ]; then
     PASS=$(cat $PASS_FILE)
 fi
 
+echo "Checking for GPG configuration..."
 if ! [ -d .gnupg ]; then
+  echo "Generating GPG Key..."
   echo -e "%no-protection\nKey-Type: RSA\nKey-Length: 4096\nName-Real: $EMAIL\nExpire-Date: 0\n%commit" \
     | gpg --generate-key --batch
 fi
+echo "Checking for Password Store..."
 if ! [ -d .password-store ]; then
+  echo "Initializing Pass..."
   pass init "$EMAIL"
 fi
+echo "Checking for ProtonMail Bridge Cache..."
 if ! [ -d ~/.cache/protonmail/bridge ]; then
+  echo "Logging in to ProtonMail Bridge..."
   COMMAND="login\n$EMAIL\n$PASSWORD"
   MFA_CODE=${MFA_CODE:-}
   if [ -n "$MFA_CODE" ]; then
@@ -28,6 +34,7 @@ if ! [ -d ~/.cache/protonmail/bridge ]; then
 fi
 
 if [ -n "$PRINT_INFO" ]; then
+  echo "Printing Info..."
   echo info | $BRIDGE --cli | egrep '(Username|Password)' | sort -ru
 fi
 
@@ -37,4 +44,6 @@ if [ -n "$LOG_LEVEL" ]; then
   ARGUMENTS="${ARGUMENTS} --log-level ${LOG_LEVEL}"
 fi
 
+echo "Starting ProtonMail Bridge: $BRIDGE $ARGUMENTS"
+$BRIDGE --version
 $BRIDGE $ARGUMENTS