Use non root for containers

Dockerfile.slim

@@ -32,12 +32,20 @@ ENV WHITELIST_LIBRARY_TYPE  ''
 ENV BLACKLIST_USERS  ''
 ENV WHITELIST_USERS  ''
 
+
+RUN addgroup --system jellyplex_user && \
+    adduser --system --no-create-home jellyplex_user --ingroup jellyplex_user && \
+    mkdir -p /app && \
+    chown -R jellyplex_user:jellyplex_user /app
+
 WORKDIR /app
 
-COPY ./requirements.txt ./
+COPY --chown=jellyplex_user:jellyplex_user ./requirements.txt ./
 
 RUN pip install --no-cache-dir -r requirements.txt
 
-COPY . .
+COPY --chown=jellyplex_user:jellyplex_user . .
+
+USER jellyplex_user
 
 CMD ["python", "-u", "main.py"]