switch actions file to not use arm64

.github/workflows/deploy_fastapi_backend.yml

@@ -66,13 +66,13 @@ jobs:
       - name: Setup Docker
         uses: docker/setup-buildx-action@v1
 
-      - name: Setup Docker Buildx
-        run: |
-          docker buildx create --use
+      #      - name: Setup Docker Buildx
+      #        run: |
+      #          docker buildx create --use
 
       - name: Build Docker Image
         run: |
-          docker buildx build --platform linux/arm64 -t fastapi-lambda-image:${{ github.sha }} -f backend/docker/lambda.Dockerfile . --load
+          docker build -t fastapi-lambda-image:${{ github.sha }} -f backend/docker/lambda.Dockerfile . --load
 
       - name: Login to ECR
         run: |

backend/docker/Dockerfile

@@ -1,5 +1,5 @@
 # Pull base image
-FROM python:3.10.12-slim-buster
+FROM python:3.10.12-slim-buster as build-image
 
 # Set environment variables
 ENV PYTHONDONTWRITEBYTECODE 1
@@ -9,7 +9,7 @@ ENV PYTHONUNBUFFERED 1
 WORKDIR var/task/Model
 
 # Install system dependencies
-RUN apt-get update && apt-get install -y netcat-openbsd
+RUN #apt-get update && apt-get install -y netcat-openbsd
 
 # Install python dependencies
 COPY ./backend/requirements/base.txt ./backend/requirements/base.txt
@@ -17,8 +17,20 @@ RUN pip install --upgrade pip
 # Install and clean up temp caches
 RUN pip install -r backend/requirements/base.txt && rm -rf /root/.cache
 
-# When running locally, we need boto3
-RUN pip install boto3
+# Since we are not using a base AWS image, there is some additional setup required. We need to set up the runtime
+# interface client
+# https://docs.aws.amazon.com/lambda/latest/dg/python-image.html#python-image-clients
+# Additionally install the AWS Lambda RIC
+RUN pip install awslambdaric
+
+# Second stage: "runtime-image"
+FROM python:3.10.12-slim-buster
+
+# Set work directory to the root of your project
+WORKDIR /var/task/Model
+
+# Copy the python dependencies from the build-image
+COPY --from=build-image /usr/local/lib/python3.10/site-packages/ /usr/local/lib/python3.10/site-packages/
 
 # Copy project files
 COPY ./backend/ ./backend
@@ -33,5 +45,7 @@ COPY ./model_data/epc_attributes/ ./model_data/epc_attributes/
 COPY ./datatypes/ ./datatypes/
 COPY ./utils/ ./utils/
 
-# command to run on container start
-CMD ["uvicorn", "backend.app.main:app", "--host", "0.0.0.0", "--port", "8000"]
+# Set the ENTRYPOINT to the AWS Lambda RIC and CMD to your function handler
+ENTRYPOINT [ "/usr/local/bin/python", "-m", "awslambdaric" ]
+# Define the handler location
+CMD ["backend.app.main.handler"]