Add Dockerfile and production database credentials

backend/Dockerfile

@@ -0,0 +1,20 @@
+FROM python:3.11-slim
+
+RUN apt-get update && apt-get install -y \
+    libgl1-mesa-glx \
+    libglib2.0-0 \
+    git \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY . .
+
+RUN python -m prisma generate
+
+EXPOSE 7860
+
+CMD ["sh", "-c", "python -m prisma db push && uvicorn main:app --host 0.0.0.0 --port 7860"]