Update Dockerfile

Dockerfile

@@ -1,13 +1,13 @@
-FROM python:3.9
-
+FROM python:3.9-slim
 WORKDIR /app
-
-COPY requirements.txt .
-
-RUN pip install --no-cache-dir -r requirements.txt
-
-COPY . .
-
-RUN chmod 777 /app/lindb.db
-
-CMD ["python", "app.py"]
+COPY requirements.txt ./requirements.txt
+RUN apt-get update \
+    && apt-get -y install libpq-dev gcc \
+    && pip install psycopg2
+# Install uvicorn
+RUN pip install uvicorn
+# Install dependencies
+RUN pip install -r requirements.txt
+COPY . /app
+ENTRYPOINT ["uvicorn", "main:app"]
+CMD ["--host", "0.0.0.0", "--port", "7860"]