Add Dockerfile, docker-compose and .dockerignore to conteinerize the bot

Author: FernandoCZanchetta

docker/.dockerignore

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+__pycache__
+*.pyc
+*.pyo
+*.pyd
+.env
+.env.*
+.vscode
+.idea
+.git
+.gitignore
+docker-compose.yml
+*.log
+*.sqlite3
+.DS_Store

docker/Dockerfile

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+# Uses one of Playwright official images to handle all browser needed deps
+FROM mcr.microsoft.com/playwright/python:3.11
+
+# Sets an environmental variable to prevent Python from generating .pyc files in the container
+ENV PYTHONDONTWRITEBYTECODE=1
+
+# Sets an environmental variable to prevent Python from buffering outputs
+ENV PYTHONUNBUFFERED=1
+
+# Install basic dependencies
+RUN apt-get update && apt-get install -y wget curl && rm -rf /var/lib/apt/lists/*
+
+# Sets workdir
+WORKDIR /discord-bot
+
+# Copy project requirement file and install them
+COPY requirements.txt ./
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Installs Playwright browsers
+RUN playwright install
+
+# Copy other project files
+COPY . .
+
+# Defines the command to run the bot when the conteiner starts
+CMD ["python", "src/main.py"]

docker/docker-compose.yml

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+version: '3.9'
+
+services:
+  a-voz-da-sasel-discord-bot:
+    build:
+      context: ..
+      dockerfile: docker/Dockerfile
+    image: sa-sel-discord-bot:latest
+    container_name: a-voz-da-sasel
+    env_file:
+      - ./a-voz-da-sasel.env
+    volumes:
+      - ./a-voz-da-sasel.credentials.json:/discord-bot/credentials.json:ro
+    restart: unless_stopped