Docker: образ на python:3.12-slim, compose с томом для базы

Лог в файл стал необязательным (ALERTBOT_LOG_FILE): в контейнере пишем только в stdout.

.dockerignore

@@ -0,0 +1,8 @@
+.git
+.github
+**/__pycache__
+.env
+tests
+*.md
+*.db
+*.log

Dockerfile

@@ -0,0 +1,17 @@
+FROM python:3.12-slim
+
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    ALERTBOT_LOG_FILE= \
+    PYTHONUNBUFFERED=1 \
+    ALERTBOT_DB=/data/notifications.db
+
+WORKDIR /app
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY *.py ./
+RUN useradd --create-home --uid 1000 app && mkdir -p /data && chown -R app:app /app /data
+USER app
+VOLUME ["/data"]
+
+CMD ["python", "bot.py"]

bot.py

@@ -1,5 +1,6 @@
 import asyncio
 import logging
+import os
 import sys
 
 from aiogram.types import BotCommand
@@ -7,11 +8,14 @@ from aiogram.types import BotCommand
 from init import bot, dp
 from handlers import router, alert_poller
 
+_log_handlers = [logging.StreamHandler(sys.stdout)]
+# File log is optional: in Docker set ALERTBOT_LOG_FILE= (empty) and read `docker logs`
+if os.environ.get("ALERTBOT_LOG_FILE", "bot.log"):
+    _log_handlers.append(logging.FileHandler(os.environ.get("ALERTBOT_LOG_FILE", "bot.log"), encoding="utf-8"))
 logging.basicConfig(
     level=logging.INFO,
     format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
-    handlers=[logging.StreamHandler(sys.stdout),
+    handlers=_log_handlers,
-              logging.FileHandler('bot.log', encoding='utf-8')],
 )
 log = logging.getLogger(__name__)
 

compose.yaml

@@ -0,0 +1,14 @@
+services:
+  bot:
+    build: .
+    image: ghcr.io/edeev/alertbot:latest
+    env_file: .env
+    environment:
+      ALERTBOT_DB: /data/notifications.db
+      ALERTBOT_LOG_FILE: ""
+    volumes:
+      - data:/data
+    restart: unless-stopped
+
+volumes:
+  data: