Update Dockerfile

Dockerfile

@@ -1,24 +1,18 @@
-# ─────────────── builder stage ───────────────
+# ---------- builder ----------
 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 ⬅️
 
-# app + deps
-COPY requirements.txt .
-RUN pip install --prefix=/install --no-cache-dir -r requirements.txt
-COPY app.py .
-
-# compile to plain app.pyc in the same dir
-RUN python -m compileall -b -f app.py   # → /build/app.pyc
-
-# ─────────────── runtime stage ───────────────
+# ---------- 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
 
-# 1) bring the site-packages that were installed into /install
-COPY --from=builder /install /usr/local/
-
-# 2) copy only the compiled byte-code
-COPY --from=builder /build/app.pyc ./app.pyc
-
-# 3) nothing else to see — no source
-ENTRYPOINT ["python", "/app/app.pyc"]
+# entrypoint will unpack into /tmp, run, then delete
+COPY entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+ENTRYPOINT ["/entrypoint.sh"]