add docker related files

.dockerignore

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+.git
+__pycache__
+/static/output/*

Dockerfile

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+FROM python:3.12-slim
+
+WORKDIR /app
+
+COPY . .
+
+RUN pip install --no-cache-dir --upgrade -r requirements.txt
+
+CMD [ "python", "main.py" ]

docker-compose.yaml

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+services:
+    image-tools:
+        build: .
+        container_name: image-tools
+        restart: unless-stopped
+        ports:
+            - 7310:7310
+        networks:
+            - default_net
+
+networks:
+    default_net:
+        external: true