add docker stuff

.dockerignore

@@ -0,0 +1,9 @@
+.git*
+__pycache__
+bot.cfg
+README.md
+LICENSE
+markov.json
+roboduck.db
+docker-compose.yml
+Dockerfile

Dockerfile

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+FROM python:3
+
+WORKDIR /usr/src/app
+
+COPY requirements.txt ./
+RUN pip install --no-cache-dir -r requirements.txt
+RUN pip install git+https://github.com/yupix/Mi.py.git@v3.3.0
+
+COPY . .
+
+CMD [ "python", "-u", "./rdbot.py" ]

docker-compose.yml

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+version: "3"
+
+services:
+  misskey-ebooks-bot:
+    build:
+      context: ./
+    container_name: misskey-ebooks-bot
+    restart: always
+    volumes:
+      - ./bot.cfg:/usr/src/app/bot.cfg
+      - ./roboduck.db:/usr/src/app/roboduck.db
+      - ./markov.json:/usr/src/app/markov.json