Fixes

core/admin/Dockerfile

@@ -5,7 +5,7 @@ WORKDIR /app
 
 COPY requirements-prod.txt requirements.txt
 RUN apk add --no-cache openssl \
- && apk add --no-cache --virtual build-dep openssl-dev libffi-dev python-dev build-base \
+ && apk add --no-cache --virtual build-dep openssl-dev libffi-dev python3-dev build-base \
  && pip install -r requirements.txt \
  && apk del build-dep
 

core/dovecot/Dockerfile

@@ -2,8 +2,8 @@ FROM alpine:3.13
 
 RUN echo "@testing http://nl.alpinelinux.org/alpine/edge/testing" >> /etc/apk/repositories \
  && apk add --no-cache \
-     dovecot dovecot-sqlite dovecot-pigeonhole-plugin dovecot-pigeonhole-plugin-extdata \
-     rspamd-client@testing python py-jinja2
+     dovecot dovecot-sqlite dovecot-pigeonhole-plugin \
+     rspamd-client python3 py3-jinja2
 
 COPY conf /conf
 COPY sieve /var/lib/dovecot

core/postfix/start.py

@@ -5,7 +5,7 @@ import os
 import socket
 import glob
 import shutil
-	
+
 convert = lambda src, dst: open(dst, "w").write(jinja2.Template(open(src).read()).render(**os.environ))
 
 # Actual startup script
@@ -33,6 +33,6 @@ convert("/conf/rsyslog.conf", "/etc/rsyslog.conf")
 # Run postfix
 if os.path.exists("/var/run/rsyslogd.pid"):
     os.remove("/var/run/rsyslogd.pid")
-os.system("/usr/lib/postfix/post-install meta_directory=/etc/postfix create-missing")
-os.system("/usr/lib/postfix/master &")
+os.system("/usr/libexec/postfix/post-install meta_directory=/etc/postfix create-missing")
+os.system("/usr/sbin/postfix start")
 os.execv("/usr/sbin/rsyslogd", ["rsyslogd", "-n"])