init backend api server service

services/backend/api_server/Dockerfile

@@ -0,0 +1,18 @@
+FROM python:3.10-slim-buster
+
+# Set the working directory in the container to /app
+WORKDIR /app
+
+# Add the current directory contents into the container at /app
+ADD . /app
+
+# Install any needed packages specified in requirements.txt
+RUN pip install --no-cache-dir -r requirements_backend.txt
+
+# Make port 80 available to the world outside this container
+EXPOSE 8000
+
+ENV HOST=host.docker.internal
+
+# Run app.py when the container launches
+CMD ["uvicorn", "app.backend:app", "--host", "0.0.0.0", "--port", "8000"]