Update Dockerfile

Dockerfile

@@ -3,14 +3,14 @@ FROM python:3.9-slim AS builder
 WORKDIR /build
 COPY app.py requirements.txt .
 RUN pip install --prefix=/install -r requirements.txt
-RUN python -m compileall -b -f app.py     # ➜ /build/app.pyc
-RUN tar -C /build -cf /build/app.tgz app.pyc  # tiny payload ⬅️
+RUN python -m compileall -b -f app.py     
+RUN tar -C /build -cf /build/app.tgz app.pyc  
 
 # ---------- runtime ----------
 FROM python:3.9-slim
 WORKDIR /app
-COPY --from=builder /install /usr/local/        # deps
-COPY --from=builder /build/app.tgz ./app.tgz    # byte-code, archived
+COPY --from=builder /install /usr/local/        
+COPY --from=builder /build/app.tgz ./app.tgz    
 
 # entrypoint will unpack into /tmp, run, then delete
 COPY entrypoint.sh /entrypoint.sh