Update Dockerfile

Dockerfile

@@ -1,15 +1,24 @@
-# ---------- stage 1: build ----------
+# ─────────────── builder stage ───────────────
 FROM python:3.9-slim AS builder
-WORKDIR /src
-COPY . .
+WORKDIR /build
+
+# app + deps
+COPY requirements.txt .
 RUN pip install --prefix=/install --no-cache-dir -r requirements.txt
-# optional: compile to .pyc or a zipapp
-RUN python -m compileall -b app.py
+COPY app.py .
+
+# compile to plain app.pyc in the same dir
+RUN python -m compileall -b -f app.py   # → /build/app.pyc
 
-# ---------- stage 2: runtime ----------
+# ─────────────── runtime stage ───────────────
 FROM python:3.9-slim
 WORKDIR /app
-# bring in only what you need
-COPY --from=builder /install /usr/local
-COPY --from=builder /src/app.pyc ./app.pyc          
-ENTRYPOINT ["python", "app.pyc"]                    
+
+# 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"]