diff --git a/.github/workflows/deploy_terraform.yml b/.github/workflows/deploy_terraform.yml
index 67f75836..4c9ce44a 100644
--- a/.github/workflows/deploy_terraform.yml
+++ b/.github/workflows/deploy_terraform.yml
@@ -201,3 +201,44 @@ jobs:
       AWS_SECRET_ACCESS_KEY: ${{ secrets.DEV_AWS_SECRET_ACCESS_KEY }}
       AWS_REGION: ${{ secrets.DEV_AWS_REGION }}
 
+  # ============================================================
+  # Categorisation image and Push
+  # ============================================================
+  categorisation_image:
+    needs: [determine_stage, shared_terraform]
+    uses: ./.github/workflows/_build_image.yml
+    with:
+      ecr_repo: categorisation-${{ needs.determine_stage.outputs.stage }}
+      dockerfile_path: backend/categorisation/handler/Dockerfile
+      build_context: .
+      build_args: |
+        DEV_DB_HOST=$DEV_DB_HOST
+        DEV_DB_PORT=$DEV_DB_PORT
+        DEV_DB_NAME=$DEV_DB_NAME
+    secrets:
+      AWS_ACCESS_KEY_ID: ${{ secrets.DEV_AWS_ACCESS_KEY_ID }}
+      AWS_SECRET_ACCESS_KEY: ${{ secrets.DEV_AWS_SECRET_ACCESS_KEY }}
+      AWS_REGION: ${{ secrets.DEV_AWS_REGION }}
+      DEV_DB_HOST: ${{ secrets.DEV_DB_HOST }}
+      DEV_DB_PORT: ${{ secrets.DEV_DB_PORT }}
+      DEV_DB_NAME: ${{ secrets.DEV_DB_NAME }}
+
+  # ============================================================
+  # Deploy Categorisation Lambda
+  # ============================================================
+  categorisation_lambda:
+    needs: [categorisation_image, determine_stage]
+    uses: ./.github/workflows/_deploy_lambda.yml
+    with:
+      lambda_name: categorisation
+      lambda_path: infrastructure/terraform/lambda/categorisation
+      stage: ${{ needs.determine_stage.outputs.stage }}
+      ecr_repo: categorisation-${{ needs.determine_stage.outputs.stage }}
+      image_digest: ${{ needs.categorisation_image.outputs.image_digest }}
+      terraform_apply: ${{ needs.determine_stage.outputs.terraform_apply }}
+    secrets:
+      AWS_ACCESS_KEY_ID: ${{ secrets.DEV_AWS_ACCESS_KEY_ID }}
+      AWS_SECRET_ACCESS_KEY: ${{ secrets.DEV_AWS_SECRET_ACCESS_KEY }}
+      AWS_REGION: ${{ secrets.DEV_AWS_REGION }}
+
+
diff --git a/backend/categorisation/handler/Dockerfile b/backend/categorisation/handler/Dockerfile
index 46c8d477..5f435afd 100644
--- a/backend/categorisation/handler/Dockerfile
+++ b/backend/categorisation/handler/Dockerfile
@@ -30,8 +30,13 @@ RUN pip install --no-cache-dir -r requirements.txt
 # -----------------------------
 COPY utils/ utils/
 COPY backend/categorisation/ backend/categorisation/
+COPY backend/app/db/functions/ backend/app/db/functions/
+COPY backend/app/db/models/ backend/app/db/models/
+COPY backend/addresses/ backend/addresses
+COPY datatypes/ datatypes/
 
 COPY backend/app/db/connection.py backend/app/db/connection.py
+
 COPY backend/app/config.py backend/app/config.py
 
 COPY backend/__init__.py backend/__init__.py
diff --git a/backend/categorisation/handler/handler.py b/backend/categorisation/handler/handler.py
index e74bfeb5..20076613 100644
--- a/backend/categorisation/handler/handler.py
+++ b/backend/categorisation/handler/handler.py
@@ -1,4 +1,9 @@
+import json
 from typing import Any, Mapping
+from backend.categorisation.categorisation_trigger_request import (
+    CategorisationTriggerRequest,
+)
+from backend.categorisation.processor import process_portfolio
 from utils.logger import setup_logger
 
 
@@ -7,4 +12,15 @@ logger = setup_logger()
 
 def handler(event: Mapping[str, Any], context: Any) -> None:
 
-    pass
+    for record in event.get("Records", []):
+        try:
+            body_dict = json.loads(record["body"])
+            logger.debug("Validating request body")
+            payload = CategorisationTriggerRequest.model_validate(body_dict)
+
+            logger.debug("Successfully validated request body")
+
+            process_portfolio(payload.portfolio_id)
+
+        except Exception as e:
+            logger.error(f"Failed to process record: {e}")
diff --git a/backend/categorisation/handler/requirements.txt b/backend/categorisation/handler/requirements.txt
index 48e5b561..e277b094 100644
--- a/backend/categorisation/handler/requirements.txt
+++ b/backend/categorisation/handler/requirements.txt
@@ -1,3 +1,6 @@
 sqlmodel
 pydantic-settings
-psycopg2-binary==2.9.10
\ No newline at end of file
+psycopg2-binary==2.9.10
+
+# Not used but needed to satisfy imports
+pytz==2024.2
\ No newline at end of file
diff --git a/infrastructure/terraform/lambda/categorisation/main.tf b/infrastructure/terraform/lambda/categorisation/main.tf
index a402a386..6e30dd8e 100644
--- a/infrastructure/terraform/lambda/categorisation/main.tf
+++ b/infrastructure/terraform/lambda/categorisation/main.tf
@@ -1,3 +1,7 @@
+data "aws_secretsmanager_secret_version" "db_credentials" {
+  secret_id = "${var.stage}/assessment_model/db_credentials"
+}
+
 data "terraform_remote_state" "shared" {
   backend = "s3"
   config = {
@@ -7,6 +11,10 @@ data "terraform_remote_state" "shared" {
   }
 }
 
+locals {
+  db_credentials = jsondecode(data.aws_secretsmanager_secret_version.db_credentials.secret_string)
+}
+
 module "lambda" {
   source = "../modules/lambda_with_sqs"
 
diff --git a/infrastructure/terraform/lambda/categorisation/provider.tf b/infrastructure/terraform/lambda/categorisation/provider.tf
index f983533d..fe497c81 100644
--- a/infrastructure/terraform/lambda/categorisation/provider.tf
+++ b/infrastructure/terraform/lambda/categorisation/provider.tf
@@ -7,7 +7,7 @@ terraform {
   }
 
   backend "s3" {
-    bucket = "categorisation"
+    bucket = "categorisation-terraform-state"
     key    = "terraform.tfstate"
     region = "eu-west-2"
   }