diff --git a/backend/app/dependencies.py b/backend/app/dependencies.py
index 62b379f9..078f36a5 100644
--- a/backend/app/dependencies.py
+++ b/backend/app/dependencies.py
@@ -1,18 +1,15 @@
 from fastapi import Depends, HTTPException, status, Request
 from fastapi.security import APIKeyHeader, OAuth2PasswordBearer
 from jose import JWTError, jwe, jwt
-from Crypto.Protocol.KDF import HKDF
-from Crypto.Hash import SHA256
+from cryptography.hazmat.primitives.kdf.hkdf import HKDF
+from cryptography.hazmat.primitives import hashes
+from cryptography.hazmat.backends import default_backend
 from typing import Any
 import json
-# import logging
 from app.config import get_settings
 from app.utils import logger
 
 
-# logger = logging.getLogger(__name__)
-
-
 api_key_header = APIKeyHeader(name=get_settings().API_KEY_NAME, auto_error=False)
 oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token")
 
@@ -43,14 +40,14 @@ def get_user(user_id: str):
 
 def get_derived_encryption_key(secret: str) -> Any:
     context = str.encode("NextAuth.js Generated Encryption Key")
-    return HKDF(
-        master=secret.encode(),
-        key_len=32,
-        salt="".encode(),
-        hashmod=SHA256,
-        num_keys=1,
-        context=context,
+    hkdf = HKDF(
+        algorithm=hashes.SHA256(),
+        length=32,
+        salt=b"",
+        info=context,
+        backend=default_backend()
     )
+    return hkdf.derive(secret.encode())
 
 
 def get_token_payload(token: str, secret: str) -> dict[str, Any]:
@@ -97,6 +94,7 @@ def validate_jwt_token(token: str = Depends(oauth2_scheme)):
 
 
 async def validate_token(token: str = Depends(oauth2_scheme), request: Request = None):
+    print("VALIDATING - PRINT")
     logger.info("Validating token")
     logger.info(token)
     logger.info("Secret")
diff --git a/backend/app/plan/router.py b/backend/app/plan/router.py
index 430ba8cd..e0c975b3 100644
--- a/backend/app/plan/router.py
+++ b/backend/app/plan/router.py
@@ -1,9 +1,9 @@
 from fastapi import APIRouter, Depends
 from app.dependencies import validate_token
 from app.plan.schemas import PlanTriggerRequest
-from app.utils import read_csv_from_s3
+from app.utils import read_csv_from_s3, logger
 from app.config import get_settings
-from app.utils import logger
+
 
 router = APIRouter(
     prefix="/plan",
diff --git a/backend/app/utils.py b/backend/app/utils.py
index 415960be..77d220ae 100644
--- a/backend/app/utils.py
+++ b/backend/app/utils.py
@@ -3,13 +3,11 @@ import csv
 from io import StringIO
 import string
 import secrets
-from aws_lambda_powertools import Logger, Metrics, Tracer
-from aws_lambda_powertools.metrics import MetricUnit  # noqa: F401
+import logging
 
 
-logger: Logger = Logger()
-metrics: Metrics = Metrics()
-tracer: Tracer = Tracer()
+logger = logging.getLogger(__name__)
+logger.setLevel(logging.INFO)
 
 
 def read_csv_from_s3(bucket_name, filepath):
diff --git a/backend/docker/Dockerfile b/backend/docker/Dockerfile
index 933ebce7..fb95e87e 100644
--- a/backend/docker/Dockerfile
+++ b/backend/docker/Dockerfile
@@ -1,5 +1,5 @@
 # Pull base image
-FROM python:3.10.12-slim-buster
+FROM lambci/lambda:build-python3.10
 
 # Set environment variables
 ENV PYTHONDONTWRITEBYTECODE 1
diff --git a/backend/docker/lambda.Dockerfile b/backend/docker/lambda.Dockerfile
new file mode 100644
index 00000000..f64eec03
--- /dev/null
+++ b/backend/docker/lambda.Dockerfile
@@ -0,0 +1,22 @@
+FROM public.ecr.aws/lambda/python:3.10
+
+# Set environment variables
+ENV PYTHONDONTWRITEBYTECODE 1
+ENV PYTHONUNBUFFERED 1
+
+# Set work directory
+WORKDIR /app
+
+# Install system dependencies
+#RUN apt-get update && apt-get install -y netcat-openbsd
+
+# Install python dependencies
+COPY ./requirements/base.txt ./requirements/base.txt
+RUN pip install --upgrade pip
+RUN pip install -r requirements/base.txt
+
+# Copy project
+COPY . .
+
+# command to run on container start
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]
diff --git a/backend/requirements/base.txt b/backend/requirements/base.txt
index 6708f024..5a1693c4 100644
--- a/backend/requirements/base.txt
+++ b/backend/requirements/base.txt
@@ -1,7 +1,7 @@
 anyio==3.7.1
 cffi==1.15.1
 click==8.1.3
-cryptography==41.0.1
+cryptography==37.0.4
 ecdsa==0.18.0
 exceptiongroup==1.1.2
 fastapi==0.99.1
@@ -25,6 +25,4 @@ uvicorn==0.22.0
 uvloop==0.17.0
 watchfiles==0.19.0
 websockets==11.0.3
-boto3
-pycryptodome
-aws-lambda-powertools
\ No newline at end of file
+boto3
\ No newline at end of file
diff --git a/backend/serverless.yml b/backend/serverless.yml
index 81c0653f..a0fcb555 100644
--- a/backend/serverless.yml
+++ b/backend/serverless.yml
@@ -28,6 +28,7 @@ custom:
     useDocker: true
     dockerSsh: true
     fileName: requirements/base.txt
+    dockerRunCmdExtraArgs: ['--platform', 'linux/amd64']
   customDomain:
     domainName: api.${self:provider.environment.DOMAIN_NAME}
     createRoute53Record: true
diff --git a/backend/test_event.json b/backend/test_event.json
new file mode 100644
index 00000000..19fe7aba
--- /dev/null
+++ b/backend/test_event.json
@@ -0,0 +1,9 @@
+{
+    "httpMethod": "POST",
+    "path": "/v1/plan/trigger",
+    "headers": {
+        "x-api-key": "4QPwbB6hEdUloDVtbBJCUTfGBdBgWwpeavWQ7t5Z",
+        "Authorization": "Bearer 4QPwbB6hEdUloDVtbBJCUTfGBdBgWwpeavWQ7t5Z"
+    },
+    "body": "{\"goal\": \"epc\", \"goal_value\": \"c\", \"portfolio_id\": 1, \"trigger_file_path\": \"test\", \"housing_type\": \"social\"}"
+}