Added docker and improved everything.

devbox-back/Dockerfile

@@ -0,0 +1,19 @@
+
+FROM python:3.13.4-alpine
+
+RUN apk update \
+    && apk upgrade \
+    && mkdir -p /usr/src/app
+
+EXPOSE 8000
+
+WORKDIR /usr/src/app
+
+COPY requirements.txt ./
+
+RUN pip install --upgrade pip
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY app/* .
+
+CMD [ "gunicorn", "--config", "gunicorn-cfg.py", "main:app" ]