README.md

@@ -22,8 +22,8 @@ After ~1m Keycloak should be reachable at the following URLs:
   - This is where users sign in, sign up, create anonymous accounts, change the email and password
   - Note that the "Try anonymously" and "GitHub" login buttons are there so you can style them, but they are not functional.
   - There's no user account by default, you can create user accounts either by signing up or from the admin console.
-
-Account confirmation emails are printed to the `docker compose` log, so keep an eye on it.
+- [http://localhost:8025](http://localhost:8025) - Test email server
+  - All emails sent by Keycloak will be displayed here (such as account activation emails).
 
 
 ## Important!

docker-compose.yml

@@ -54,18 +54,26 @@ services:
       - |
         apk add inotify-tools sassc make
         uid="$$(stat -c '%u' /theme/welcome/theme.properties)"
-        adduser -D -u $$uid unprivileged
-        su unprivileged -c 'make -C /theme'
+        if [[ $$uid == 0 ]]; then
+          su="sh"
+        else
+          su="su unprivileged"
+          adduser -D -u $$uid unprivileged
+        fi
+        $$su -c 'make -C /theme'
         while inotifywait -qre close_write /theme/_sass; do
-            su unprivileged -c 'make -C /theme'
+            $$su -c 'make -C /theme'
         done  
 
   # This is a fake SMTP server that prints the received emails to the console.
   fake-mail-server:
-    build: ./fakesmtpd
+    image: mailhog/mailhog
     restart: "unless-stopped"
-    environment:
-      PYTHONUNBUFFERED: "1"
+    command:
+      - "-smtp-bind-addr"
+      - ":25"
+    ports:
+      - "127.0.0.1:8025:8025"
 
   # Keycloak isn't very smart, and it expects HTTPS requests when HTTPS is disabled.
   # This is a hack to forcefully disable the policy by pretending to be a reverse-proxy.

fakesmtpd/Dockerfile

-FROM python:3.11-alpine
-
-COPY requirements.txt /tmp/requirements.txt
-RUN pip install -r /tmp/requirements.txt
-COPY fakesmtp.py /usr/bin/fakesmtp
-
-ENTRYPOINT ["/usr/bin/fakesmtp"]
-CMD ["0.0.0.0", "25"]

fakesmtpd/fakesmtp.py

-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-import asyncio
-import logging
-import sys
-
-from aiosmtpd.controller import Controller
-from aiosmtpd.smtp import AuthResult
-
-
-# noinspection PyPep8Naming,PyMethodMayBeStatic
-class PrintHandler:
-    async def handle_RCPT(self, server, session, envelope, address, rcpt_options):
-        envelope.rcpt_tos.append(address)
-        return "250 OK"
-
-    async def handle_DATA(self, server, session, envelope):
-        print(f"Message from {envelope.mail_from}")
-        print(f'Message for {", ".join(envelope.rcpt_tos)}')
-        print("Message data:\n")
-        for ln in envelope.content.decode("utf8", errors="replace").splitlines():
-            print(f"> {ln}".strip())
-        print()
-        print("End of message")
-        print()
-        print()
-        return "250 Message accepted for delivery"
-
-
-def authenticator(*a, **kw):
-    return AuthResult(success=True)
-
-
-if __name__ == "__main__":
-    if len(sys.argv) < 3:
-        print("Usage: fakesmtp.py <hostname> <port>")
-        sys.exit(1)
-    hostname = sys.argv[1]
-    port = int(sys.argv[2])
-
-    logging.basicConfig(level=logging.INFO)
-    loop = asyncio.new_event_loop()
-    asyncio.set_event_loop(loop)
-
-    controller = Controller(
-        PrintHandler(),
-        hostname=hostname,
-        port=port,
-        authenticator=authenticator,
-        auth_required=False,
-        auth_require_tls=False,
-    )
-    controller.start()
-
-    try:
-        loop.run_forever()
-    except KeyboardInterrupt:
-        print("Exiting")

fakesmtpd/requirements.txt

-aiosmtpd