update to use sqlalchemy

- change from mysql-connector-python to sqlalchemy
    - allow for connection to sqlite3, mysql, mariadb, postgres, and
oracle databases
- change `DATE` columns to `DATETIME` type
- add WHO columns
- install database connectors and required packages

Dockerfile

@@ -5,6 +5,12 @@ FROM python:3.10-slim
 ENV LISTEN_ADDRESS="0.0.0.0" \
     LISTEN_PORT=8080
 
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    libpq-dev \
+    gcc \
+    && rm -rf /var/lib/apt/lists/*
+
 # Set the working directory in the container
 WORKDIR /app