update fastapi to guvicorn and improve supertoken integration

backend/Dockerfile

@@ -1,6 +1,32 @@
-FROM python:3.12-slim
+FROM tiangolo/uvicorn-gunicorn-fastapi:python3.11-slim AS builder
 
 WORKDIR /app
 
-COPY ./requirements.txt ./
-RUN pip3 install --no-cache-dir -r requirements.txt
+COPY requirements.txt ./
+RUN --mount=type=cache,target=/root/.cache/pip \
+    pip install -r requirements.txt
+
+# COPY . ./app
+
+# FROM builder as dev-envs
+
+# RUN <<EOF
+# apt-get update
+# apt-get install -y --no-install-recommends git
+# EOF
+
+# RUN <<EOF
+# useradd -s /bin/bash -m vscode
+# groupadd docker
+# usermod -aG docker vscode
+# EOF
+# # install Docker tools (cli, buildx, compose)
+# COPY --from=gloursdocker/docker / /
+
+# FROM python:3.12-slim
+
+# WORKDIR /app
+
+# COPY ./requirements.txt ./
+
+# RUN pip3 install --no-cache-dir -r requirements.txt