diff --git a/Dockerfile b/Dockerfile
index 818dc03..bec352b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -15,5 +15,6 @@ COPY poetry.lock pyproject.toml ${LAMBDA_TASK_ROOT}/
 RUN cd ${LAMBDA_TASK_ROOT} && poetry install --no-interaction --no-ansi --no-root --only main
 
 COPY ./ ${LAMBDA_TASK_ROOT}/
+ENV PYTHONPATH "${PYTHONPATH}:${LAMBDA_TASK_ROOT}"
 
-CMD ["src/main.handler"]
\ No newline at end of file
+CMD ["src.main.handler"]
\ No newline at end of file
diff --git a/README.md b/README.md
index 05332db..c3a3d1e 100644
--- a/README.md
+++ b/README.md
@@ -96,6 +96,7 @@ Test it </br>
 - Next time you will deploy the server will be exposed under your domain.
 
 9. Deploy to AWS
+Note - if you are building the docker image from a mac, change `architecture: x86_64` to `architecture: arm64` in the `serverless.yml` file.
 ```
 ./scripts/deploy
 ```
diff --git a/serverless.yml b/serverless.yml
index 8c83a05..c254b0a 100644
--- a/serverless.yml
+++ b/serverless.yml
@@ -43,7 +43,6 @@ provider:
   memorySize: 1024 # MB
   timeout: 30
   endpointType: edge
-  lambdaHashingVersion: 20201221
   # apiGateway:
   #   metrics: true
   tracing:
@@ -60,6 +59,8 @@ provider:
         cacheFrom:
           # This is the path where the serverless framework will put the image in ECR when created for the first time.
           - ${AWS::AccountId}.dkr.ecr.${self:provider.region}.amazonaws.com/serverless-fastapibackendservice-${self:provider.stage}:fastapi-backend-server
+        # build container to match the architecture: x86_64 param
+        platform: linux/amd64
   iamRoleStatements:  # handles the permissions of the lambda
     # XRay
     - Effect: Allow
@@ -81,6 +82,8 @@ functions:
   app:
     image:
       name: fastapi-backend-server
+    architecture: x86_64 # default
+    # architecture: arm64 # works for docker images built on Mac M1/M2/M3/etc machines
     environment:
       STAGE: ${self:provider.stage}
 
@@ -90,4 +93,4 @@ functions:
           path: /
       - http:
           method: any
-          path: /{proxy+}
\ No newline at end of file
+          path: /{proxy+}