Update Docker image setup

The fastapi author recommends no longer
using the gunicorn-uvicorn base image but to
instead rely on the built-in version of uvicorn
in fastapi.

https://hub.docker.com/r/tiangolo/uvicorn-gunicorn-fastapi

Author: k-nut

Dockerfile

@@ -1,12 +1,14 @@
-FROM tiangolo/uvicorn-gunicorn-fastapi:python3.8
+FROM python:3.12
 
 COPY ./requirements.txt /requirements.txt
 
+RUN apt-get update
+RUN apt-get install postgresql-client libgeos-dev --yes
+
 RUN pip install -r /requirements.txt
 
-RUN apt-get update
-RUN apt-get install postgresql-client --yes
 
 COPY ./app /app/app
 COPY ./prestart.sh /app/prestart.sh
 
+CMD ["fastapi", "run", "/app/app/main.py", "--port", "80", "--workers", "4"]

requirements.txt

@@ -1,6 +1,6 @@
-fastapi==0.109.1
+fastapi[standard]==0.115.8
 GeoAlchemy2==0.15.1
 psycopg2==2.9.9
 pydantic==2.7.4
 Shapely==1.7.1
-SQLAlchemy==2.0.31
+SQLAlchemy==2.0.31