Add Dockerfile (#18)

* Add Dockerfile

* Minor tweaks

Dockerfile

@@ -0,0 +1,17 @@
+# Use an official Python runtime as a parent image
+FROM python:3.11
+
+# Set the working directory in the container
+WORKDIR /usr/src/app
+
+# Copy the current directory contents into the container at /usr/src/app
+COPY . /usr/src/app
+
+# Install any needed packages specified in requirements.txt
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Make port 80 available to the world outside this container
+EXPOSE 80
+
+# Run app.py when the container launches
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "80"]