Create Dockerfile

Dockerfile

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+# Use a lightweight Python base
+FROM python:3.9-slim
+
+# Set working directory
+WORKDIR /app
+
+# 1. Install System Dependencies
+# We need 'wget' and 'make' to install unrar, or just wget to download precompiled
+RUN apt-get update && apt-get install -y \
+    wget \
+    && rm -rf /var/lib/apt/lists/*
+
+# 2. Install Official Unrar (Required for rarfile library to work correctly)
+# Downloading pre-compiled binary for Linux x64
+RUN wget https://www.rarlab.com/rar/rarlinux-x64-6.2.3.tar.gz && \
+    tar -zxvf rarlinux-x64-6.2.3.tar.gz && \
+    cp rar/unrar /usr/bin/unrar && \
+    cp rar/rar /usr/bin/rar && \
+    chmod 755 /usr/bin/unrar && \
+    rm -rf rar rarlinux-x64-6.2.3.tar.gz
+
+# 3. Copy Requirements
+COPY requirements.txt .
+
+# 4. Install Python Dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# 5. Copy Application Code
+COPY . .
+
+# 6. Expose Port
+EXPOSE 8000
+
+# 7. Run Uvicorn
+CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]