Add Docker image support

.dockerignore

@@ -0,0 +1,13 @@
+.cache/
+.git/
+.pytest_cache/
+.venv/
+__pycache__/
+logs/
+output/
+temp/
+*.log
+*.mp3
+*.mp4
+*.pyc
+*.wav

Dockerfile

@@ -0,0 +1,24 @@
+FROM python:3.10-slim
+
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    GRADIO_SERVER_NAME=0.0.0.0 \
+    PORT=7860
+
+WORKDIR /app
+
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends ffmpeg ca-certificates \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir --upgrade pip \
+    && pip install --no-cache-dir -r requirements.txt
+
+COPY . .
+
+RUN mkdir -p .cache temp output logs/gradio
+
+EXPOSE 7860
+
+CMD ["python", "web_app.py"]

README.md

@@ -76,6 +76,31 @@ Gradio provides a local browser UI for starting dub jobs, watching logs, and dow
 
 Open `http://127.0.0.1:7860` and submit a YouTube URL. Jobs run through the same `main.py` pipeline, so the CLI options and environment variables still apply.
 
+### Docker
+
+Build and run the Gradio UI in a container:
+
+```powershell
+docker build -t youtube-auto-dub:gradio .
+docker run --rm -p 7860:7860 `
+  -e LM_STUDIO_BASE_URL=http://host.docker.internal:1234/v1 `
+  -e LM_STUDIO_API_KEY=lm-studio `
+  -e LM_STUDIO_MODEL=gemma-3-4b-it `
+  -v ${PWD}\.cache:/app/.cache `
+  -v ${PWD}\output:/app/output `
+  -v ${PWD}\logs:/app/logs `
+  -v ${PWD}\temp:/app/temp `
+  youtube-auto-dub:gradio
+```
+
+Or use Compose:
+
+```powershell
+docker compose up --build
+```
+
+When LM Studio runs on the host machine, use `http://host.docker.internal:1234/v1` from inside Docker instead of `http://127.0.0.1:1234/v1`.
+
 Override the LM Studio endpoint or model from the CLI:
 
 ```powershell

docker-compose.yml

@@ -0,0 +1,15 @@
+services:
+  youtube-auto-dub:
+    build: .
+    image: youtube-auto-dub:gradio
+    ports:
+      - "7860:7860"
+    environment:
+      LM_STUDIO_BASE_URL: "http://host.docker.internal:1234/v1"
+      LM_STUDIO_API_KEY: "lm-studio"
+      LM_STUDIO_MODEL: "gemma-3-4b-it"
+    volumes:
+      - ./.cache:/app/.cache
+      - ./output:/app/output
+      - ./logs:/app/logs
+      - ./temp:/app/temp

web_app.py

@@ -327,4 +327,6 @@ app = create_app()
 
 
 if __name__ == "__main__":
-    app.launch(server_name="127.0.0.1", server_port=7860)
+    server_name = os.getenv("GRADIO_SERVER_NAME", "127.0.0.1")
+    server_port = int(os.getenv("PORT", "7860"))
+    app.launch(server_name=server_name, server_port=server_port)