Create Dockerfile

Dockerfile

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+# 1. Base Image
+FROM python:3.9-slim
+
+# 2. Install Essentials
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    gcc \
+    wget \
+    && rm -rf /var/lib/apt/lists/*
+
+# 3. Setup Workspace
+WORKDIR /app
+
+# 4. Install Dependencies
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# 5. Download Data (GitHub Mirror for reliability)
+RUN mkdir -p /app/ephe && \
+    wget -q -O /app/ephe/seas_18.se1 https://raw.githubusercontent.com/chapagain/php-swiss-ephemeris/master/sweph/seas_18.se1 && \
+    wget -q -O /app/ephe/semo_18.se1 https://raw.githubusercontent.com/chapagain/php-swiss-ephemeris/master/sweph/semo_18.se1
+
+# 6. Copy Code
+COPY . .
+
+# 7. Environment
+ENV SE_EPHE_PATH="/app/ephe"
+
+# 8. Expose & Launch
+EXPOSE 7860
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "7860"]