Update Dockerfile

Dockerfile

@@ -1,20 +1,18 @@
 FROM python:3.10-slim
 
-WORKDIR /app
-
-RUN apt update && apt install -y \
-    build-essential \
-    gcc \
-    libffi-dev \
-    libssl-dev \
-    && rm -rf /var/lib/apt/lists/*
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONUNBUFFERED=1
+ENV PORT=51379
 
-COPY requirements.txt .
+WORKDIR /app
 
-RUN pip install --upgrade pip \
-    && pip install --no-cache-dir -r requirements.txt
+# copy requirements dulu biar cache efisien
+COPY backend/requirements.txt /app/requirements.txt
+RUN pip install --no-cache-dir -r requirements.txt
 
-COPY . .
+# copy source backend
+COPY backend /app/backend
 
 EXPOSE 51379
-CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "51379"]
+
+CMD ["uvicorn", "backend.app.main:app", "--host", "0.0.0.0", "--port", "51379"]