added req for handler

backend/address2UPRN/handler/Dockerfile

@@ -0,0 +1,28 @@
+FROM public.ecr.aws/lambda/python:3.10
+
+# Set working directory (Lambda task root)
+WORKDIR /var/task
+
+# -----------------------------
+# Copy requirements FIRST (for Docker layer caching)
+# -----------------------------
+COPY backend/address2UPRN/handler/requirements.txt .
+
+# Install dependencies into Lambda runtime
+RUN pip install --no-cache-dir -r requirements.txt
+
+# -----------------------------
+# Copy application code
+# -----------------------------
+COPY utils/ utils/
+COPY backend/address2UPRN/main.py .
+
+# # -----------------------------
+# # Ensure Python can find utils/
+# # -----------------------------
+# ENV PYTHONPATH="/var/task"
+
+# -----------------------------
+# Lambda handler
+# -----------------------------
+CMD ["main.handler"]

backend/address2UPRN/handler/requirements.txt

@@ -0,0 +1,3 @@
+epc-api-python==1.0.2
+tqdm
+pandas