optimized kwalyon's container building

Dockerfile

@@ -1,16 +1,24 @@
-FROM python:latest
+FROM python:latest AS build-image
+
+RUN apt update && apt install -y libblas-dev liblapack-dev
 
 RUN python -m pip install --upgrade pip
 
-RUN pip install pandas
+RUN python -m venv /root/venv
-RUN pip install nltk
+ENV PATH="/root/venv/bin:$PATH"
-RUN python -m nltk.downloader -d /usr/local/share/nltk_data all
-RUN pip install python-dotenv
 
-RUN pip install nextcord
+COPY ./requirements.txt ./requirements.txt
+RUN --mount=type=cache,mode=0755,target=/root/.cache/pip pip install -r ./requirements.txt
 
-RUN pip install beautifulsoup4 requests lxml
 
-WORKDIR /usr/app/src
+FROM python:slim
 
-CMD [ "python", "main.py" ]
+RUN apt update && apt install -y libblas-dev liblapack-dev
+
+COPY --from=build-image /root/venv /root/venv
+ENV PATH="/root/venv/bin:$PATH"
+
+RUN python -m nltk.downloader words
+
+WORKDIR /usr/app
+CMD [ "python", "./src/main.py" ]

docker-compose.yml

@@ -4,13 +4,10 @@ services:
     container_name: kwaylon
     image: kwaylon:latest
     build: ./
-    restart: unless-stopped
+#    restart: unless-stopped
     network_mode: host
     volumes:
+      # give access to the system time as read-only
       - /etc/localtime:/etc/localtime:ro
       - /etc/timezone:/etc/timezone:ro
-      - /mnt/dietpi_userdata/kwaylon/src:/usr/app/src
+      - /mnt/dietpi_userdata/kwaylon:/usr/app
-      - /mnt/dietpi_userdata/kwaylon/data:/usr/app/data
-#      - type: bind
-#        source: /mnt/dietpi_userdata/kwaylon/messages.db
-#        target: /usr/src/app/messages.db

requirements.txt

@@ -5,6 +5,7 @@ nltk
 python-dotenv
 
 # stockquotes
-# beautifulsoup4
+beautifulsoup4
-# requests
+requests
-# lxml
+lxml
+

src/kwaylon/kwaylon.py

@@ -1,6 +1,7 @@
 import asyncio
 import logging
 import re
+import sqlite3
 from datetime import timedelta, datetime
 from pathlib import Path
 from typing import List
@@ -23,7 +24,7 @@ class Kwaylon(Client):
 
     def __init__(self, limit: int = 5000, days: int = 30, *args, **kwargs):
         super().__init__(*args, **kwargs)
-        self.db_path = Path.cwd().parents[0] / 'data' / 'messages.db'
+        self.db_path = Path.cwd() / 'data' / 'messages.db'
 
         self.limit, self.days = limit, days
         self.jokes = list(jokes.collect_jokes())
@@ -54,8 +55,12 @@ class Kwaylon(Client):
 
         # await alive()
 
-        self.data = ReactionData(self.db_path)
+        try:
-        self.data.read_all()
+            self.data = ReactionData(self.db_path)
+            self.data.read_all()
+        except sqlite3.Error as e:
+            LOGGER.exception(e)
+            LOGGER.error(f'self.db_path: {self.db_path}')
 
     async def handle_message(self, message: Message):
         if message.author != self.user: