diff --git a/deployment/lambda/lambda_example/docker/Dockerfile b/deployment/lambda/lambda_example/docker/Dockerfile
index 3aa661b..fef6e87 100644
--- a/deployment/lambda/lambda_example/docker/Dockerfile
+++ b/deployment/lambda/lambda_example/docker/Dockerfile
@@ -1,7 +1,25 @@
 # AWS Lambda python pacakge
 FROM public.ecr.aws/lambda/python:3.11
 
-# Copy function code
+# Install Poetry (you could pin a version if you like)
+RUN curl -sSL https://install.python-poetry.org | python3 -
+
+# Add Poetry to PATH
+ENV PATH="/root/.local/bin:$PATH"
+
+# Set working directory
+WORKDIR /var/task
+
+# Copy Poetry files first to leverage Docker layer caching
+COPY pyproject.toml poetry.lock README.md ./
+COPY etl/ etl/
+
+
+# Install dependencies into /var/task
+RUN poetry config virtualenvs.create false \
+  && poetry install --only main --no-interaction --no-ansi
+
+# Copy app code
 COPY deployment/lambda/lambda_example/docker/app.py ./
 
 # Set the CMD to your handler