Update Dockerfile

Dockerfile

@@ -18,15 +18,15 @@ WORKDIR /app
 
 # Create a non-privileged user that the app will run under.
 # See https://docs.docker.com/go/dockerfile-user-best-practices/
-# ARG UID=10001
-# RUN adduser \
-#     --disabled-password \
-#     --gecos "" \
-#     --home "/nonexistent" \
-#     --shell "/sbin/nologin" \
-#     --no-create-home \
-#     --uid "${UID}" \
-#     appuser
+ARG UID=10001
+RUN adduser \
+    --disabled-password \
+    --gecos "" \
+    --home "/nonexistent" \
+    --shell "/sbin/nologin" \
+    --no-create-home \
+    --uid "${UID}" \
+    appuser
 
 # Download dependencies as a separate step to take advantage of Docker's caching.
 # Leverage a cache mount to /root/.cache/pip to speed up subsequent builds.
@@ -37,7 +37,7 @@ RUN --mount=type=cache,target=/root/.cache/pip \
     python -m pip install -r requirements.txt
 
 # Switch to the non-privileged user to run the application.
-# USER appuser
+USER appuser
 
 # Copy the source code into the container.
 COPY . .