Create Dockerfile

Dockerfile

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+FROM python:3.11-slim
+
+# set working dir
+WORKDIR /app
+
+# install system deps (for uvicorn etc.)
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    build-essential \
+    && rm -rf /var/lib/apt/lists/*
+
+# copy project files
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY . .
+
+# expose port 7860
+EXPOSE 7860
+
+# create tmp dir (optional, container's /tmp will also work)
+RUN mkdir -p /tmp/doto_tmp && chown 1000:1000 /tmp/doto_tmp || true
+
+ENV TMP_DIR=/tmp
+
+# run app
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860", "--workers", "1"]