diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 897e357e..16959fb8 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -3,7 +3,7 @@ default_language_version:
   python: python3.11
 repos:
   - repo: https://github.com/codespell-project/codespell
-    rev: v2.3.0
+    rev: v2.4.1
     hooks:
       - id: codespell
         args: ["--ignore-words=codespell.txt"]
@@ -29,7 +29,7 @@ repos:
     hooks:
       - id: flake8
   - repo: https://github.com/PyCQA/isort
-    rev: 5.13.2
+    rev: 6.0.0
     hooks:
       - id: isort
         args: ["--settings-path=pyproject.toml"]
@@ -41,7 +41,7 @@ repos:
         language: script
         types: [python]
   - repo: https://github.com/PyCQA/bandit
-    rev: 1.7.10
+    rev: 1.8.2
     hooks:
       - id: bandit
         args: ["-ll"]
@@ -69,14 +69,14 @@ repos:
       - id: check-merge-conflict
       - id: debug-statements
   - repo: https://github.com/gruntwork-io/pre-commit
-    rev: v0.1.24 # Get the latest from: https://github.com/gruntwork-io/pre-commit/releases
+    rev: v0.1.25 # Get the latest from: https://github.com/gruntwork-io/pre-commit/releases
     hooks:
       - id: terraform-fmt
       - id: helmlint
       - id: terraform-validate
       - id: tflint
   - repo: https://github.com/alessandrojcm/commitlint-pre-commit-hook
-    rev: v9.18.0
+    rev: v9.20.0
     hooks:
       - id: commitlint
         stages: [commit-msg]
diff --git a/api/kubernetes/ecr.tf b/api/kubernetes/ecr.tf
new file mode 100644
index 00000000..9aec294a
--- /dev/null
+++ b/api/kubernetes/ecr.tf
@@ -0,0 +1,49 @@
+#------------------------------------------------------------------------------
+# written by: Lawrence McDaniel
+#             https://lawrencemcdaniel.com/
+#
+# date:   feb-2024
+#
+# usage:  build and upload a Docker image to AWS Elastic Container Registry (ECR)
+#------------------------------------------------------------------------------
+locals {
+  ecr_repo             = "chat_api"
+  ecr_source_directory = "${path.module}../python/openai_api/"
+
+  ecr_build_path   = "${path.module}/ecr_build"
+  ecr_build_script = "${local.ecr_build_path}/build.sh"
+}
+
+resource "aws_ecr_repository" "chat_api" {
+  name                 = local.ecr_repo
+  image_tag_mutability = "IMMUTABLE"
+
+  image_scanning_configuration {
+    scan_on_push = true
+  }
+  tags = var.tags
+
+}
+
+###############################################################################
+# Python package
+###############################################################################
+resource "null_resource" "chat_api" {
+  triggers = {
+    always_redeploy = timestamp()
+  }
+
+  provisioner "local-exec" {
+    interpreter = ["/bin/bash"]
+    command     = local.ecr_build_script
+
+    environment = {
+      BUILD_PATH     = local.ecr_build_path
+      CONTAINER_NAME = local.ecr_repo
+      AWS_REGION     = var.aws_region
+      AWS_ACCOUNT_ID = var.aws_account_id
+    }
+  }
+
+  depends_on = [aws_ecr_repository.chat_api]
+}
diff --git a/api/kubernetes/ecr_build/.gitignore b/api/kubernetes/ecr_build/.gitignore
new file mode 100644
index 00000000..5e3397e7
--- /dev/null
+++ b/api/kubernetes/ecr_build/.gitignore
@@ -0,0 +1,3 @@
+*.zip
+venv
+archive
diff --git a/api/kubernetes/ecr_build/Dockerfile b/api/kubernetes/ecr_build/Dockerfile
new file mode 100644
index 00000000..aa53b36d
--- /dev/null
+++ b/api/kubernetes/ecr_build/Dockerfile
@@ -0,0 +1,22 @@
+# Use an AWS Lambda Python runtime as the base image
+# https://hub.docker.com/r/amazon/aws-lambda-python
+# ------------------------------------------------------
+FROM --platform=linux/amd64 python:3.11-buster
+
+WORKDIR /app
+
+COPY openai_api .
+COPY requirements.txt .
+
+RUN apt-get update && apt-get install -y zip
+RUN pip install -r requirements.txt
+
+CMD ["python", "service_controller.py"]
+
+EXPOSE 8000
+
+ENV DEBUG_MODE=False
+ARG OPENAI_API_KEY
+ARG PINECONE_API_KEY
+ARG PINECONE_ENVIRONMENT
+ARG GOOGLE_MAPS_API_KEY
diff --git a/api/kubernetes/ecr_build/README.md b/api/kubernetes/ecr_build/README.md
new file mode 100644
index 00000000..fc077018
--- /dev/null
+++ b/api/kubernetes/ecr_build/README.md
@@ -0,0 +1,3 @@
+# AWS Lambda Layer for OpenAI/Langchain Lambdas
+
+This layer contains the combined pip requirements for both lambda_langchain and lambda_openai_v2.
diff --git a/api/kubernetes/ecr_build/build.sh b/api/kubernetes/ecr_build/build.sh
new file mode 100755
index 00000000..04541be5
--- /dev/null
+++ b/api/kubernetes/ecr_build/build.sh
@@ -0,0 +1,31 @@
+#!/bin/bash
+#------------------------------------------------------------------------------
+# written by: Lawrence McDaniel
+#             https://lawrencemcdaniel.com/
+#
+# date:   nov-2023
+#
+# usage:  Lambda Python packaging tool.
+#         Called by Terraform "null_resource". Copies python
+#         module(s) plus any requirements to a dedicated folder so that
+#         it can be archived to a zip file for upload to
+#         AWS Lambda by Terraform.
+#------------------------------------------------------------------------------
+cd $BUILD_PATH
+
+pwd
+cp -R ../../python/openai_api/ ./openai_api
+
+# Step 1: Build your Docker image
+docker build -t $CONTAINER_NAME .
+
+# Step 2: Authenticate Docker to your Amazon ECR registry
+aws ecr get-login-password --region $AWS_REGION | docker login --username AWS --password-stdin $AWS_ACCOUNT_ID.dkr.ecr.$AWS_REGION.amazonaws.com
+
+# Step 3: Tag your Docker image
+docker tag chat_api:latest $AWS_ACCOUNT_ID.dkr.ecr.$AWS_REGION.amazonaws.com/chat_api:latest
+
+# Step 4: Push your Docker image
+docker push $AWS_ACCOUNT_ID.dkr.ecr.$AWS_REGION.amazonaws.com/chat_api:latest
+
+rm -r ./openai_api
diff --git a/api/kubernetes/ecr_build/requirements.txt b/api/kubernetes/ecr_build/requirements.txt
new file mode 100644
index 00000000..e6f83f6a
--- /dev/null
+++ b/api/kubernetes/ecr_build/requirements.txt
@@ -0,0 +1,44 @@
+# -----------------------------------------------------------------------------
+# written by: Lawrence McDaniel
+#             https://lawrencemcdaniel.com
+#
+# usage:      Python requirements for AWS Lambda functions. Create a virtual
+#             environment in the root of this repository named `venv`. Terraform
+#             modules will look for and include these requirements in the zip
+#             packages for each Python-based Lambda function.
+# -----------------------------------------------------------------------------
+
+# misc
+# ------------
+boto3==1.34.25
+botocore==1.34.29
+requests==2.31.0
+
+# Lambda layer: openai
+# ------------
+openai==1.10.0
+pyyaml==6.0.1
+
+# Lambda layer: common
+# ------------
+python-dotenv==1.0.1
+pydantic==2.5.3
+pydantic-settings==2.1.0
+python-hcl2==4.3.2
+
+# Lambda layer: langchain
+# ------------
+langchain==0.1.1
+langchain-openai==0.0.5
+
+# Lambda layer: nlp
+# ------------
+python-Levenshtein==0.23.0
+nltk==3.8.1
+textblob==0.17.1
+
+# weather function
+googlemaps==4.10.0
+openmeteo-requests==1.1.0
+requests-cache==1.1.1
+retry-requests==2.0.0
diff --git a/api/kubernetes/k8s.tf b/api/kubernetes/k8s.tf
new file mode 100644
index 00000000..fc952297
--- /dev/null
+++ b/api/kubernetes/k8s.tf
@@ -0,0 +1,19 @@
+#--------------------------------------------------------------
+# Deploy containerized application to an existing Kubernetes cluster
+#--------------------------------------------------------------
+
+provider "kubernetes" {
+  config_path = "~/.kube/config"
+}
+
+# resource "kubernetes_manifest" "deployment" {
+#   manifest = yamldecode(data.template_file.deployment.rendered)
+# }
+
+# 1. namespace
+# 2. service
+# 3. horizontal scaling policy
+# 4. vertical scaling policy
+# 5. certificate
+# 6. ingress
+# 7. route53 dns record
diff --git a/api/kubernetes/terraform.tf b/api/kubernetes/terraform.tf
new file mode 100644
index 00000000..ffc69644
--- /dev/null
+++ b/api/kubernetes/terraform.tf
@@ -0,0 +1,35 @@
+#------------------------------------------------------------------------------
+# written by: Lawrence McDaniel
+#             https://lawrencemcdaniel.com/
+#
+# date:       July-2023
+#
+# usage:      Terraform configuration
+#------------------------------------------------------------------------------
+
+terraform {
+  required_version = "~> 1.5"
+  backend "s3" {
+    bucket         = "090511222473-tfstate-openai"
+    key            = "chat_api/terraform.tfstate"
+    region         = "us-east-1"
+    dynamodb_table = "090511222473-tfstate-lock-openai"
+    profile        = "lawrence"
+    encrypt        = false
+  }
+
+  required_providers {
+    aws = {
+      source  = "hashicorp/aws"
+      version = "~> 5.35"
+    }
+    null = {
+      source  = "hashicorp/null"
+      version = "~> 3.2"
+    }
+    kubernetes = {
+      source  = "hashicorp/kubernetes"
+      version = "~> 2.25"
+    }
+  }
+}
diff --git a/api/kubernetes/terraform.tfvars b/api/kubernetes/terraform.tfvars
new file mode 100755
index 00000000..f623d702
--- /dev/null
+++ b/api/kubernetes/terraform.tfvars
@@ -0,0 +1,40 @@
+#------------------------------------------------------------------------------
+# written by: Lawrence McDaniel
+#             https://lawrencemcdaniel.com/
+#
+# date:       sep-2023
+#
+# usage:      override default variable values
+#------------------------------------------------------------------------------
+
+###############################################################################
+# AWS CLI parameters
+###############################################################################
+aws_account_id = "090511222473"
+tags = {
+  "terraform" = "true",
+  "project"   = "chatGPT microservice"
+  "contact"   = "Lawrence McDaniel - https://lawrencemcdaniel.com/"
+}
+aws_region  = "us-east-2"
+aws_profile = "lawrence"
+
+###############################################################################
+# OpenAI API parameters
+###############################################################################
+openai_endpoint_image_n    = 4
+openai_endpoint_image_size = "1024x768"
+
+
+###############################################################################
+# CloudWatch logging parameters
+###############################################################################
+logging_level = "INFO"
+
+
+###############################################################################
+# APIGateway parameters
+###############################################################################
+root_domain                = "lawrencemcdaniel.com"
+shared_resource_identifier = "openai"
+stage                      = "v1"
diff --git a/api/kubernetes/variables.tf b/api/kubernetes/variables.tf
new file mode 100644
index 00000000..a0badde5
--- /dev/null
+++ b/api/kubernetes/variables.tf
@@ -0,0 +1,70 @@
+#------------------------------------------------------------------------------
+# written by: Lawrence McDaniel
+#             https://lawrencemcdaniel.com/
+#
+# date:       sep-2023
+#
+# usage:      all Terraform variable declarations
+#------------------------------------------------------------------------------
+variable "shared_resource_identifier" {
+  description = "A common identifier/prefix for resources created for this demo"
+  type        = string
+  default     = "openai"
+}
+
+variable "aws_account_id" {
+  description = "12-digit AWS account number"
+  type        = string
+}
+variable "aws_region" {
+  description = "A valid AWS data center region code"
+  type        = string
+  default     = "us-east-1"
+}
+variable "aws_profile" {
+  description = "a valid AWS CLI profile located in $HOME/.aws/credentials"
+  type        = string
+  default     = "default"
+}
+
+variable "debug_mode" {
+  type    = bool
+  default = false
+}
+variable "tags" {
+  description = "A map of tags to add to all resources. Tags added to launch configuration or templates override these values."
+  type        = map(string)
+  default     = {}
+}
+
+###############################################################################
+# OpenAI API parameters
+###############################################################################
+variable "openai_endpoint_image_n" {
+  description = "FIX NOTE: what is this?"
+  type        = number
+  default     = 4
+}
+variable "openai_endpoint_image_size" {
+  description = "Image output dimensions in pixels"
+  type        = string
+  default     = "1024x768"
+}
+
+
+variable "root_domain" {
+  description = "a valid Internet domain name which you directly control using AWS Route53 in this account"
+  type        = string
+  default     = ""
+}
+
+variable "stage" {
+  description = "Examples: dev, staging, prod, v0, v1, etc."
+  type        = string
+  default     = "v1"
+}
+
+variable "logging_level" {
+  type    = string
+  default = "INFO"
+}
diff --git a/api/kubernetes/yaml/certificate-manager.yaml b/api/kubernetes/yaml/certificate-manager.yaml
new file mode 100644
index 00000000..e69de29b
diff --git a/api/kubernetes/yaml/deployment.yaml b/api/kubernetes/yaml/deployment.yaml
new file mode 100644
index 00000000..d1038183
--- /dev/null
+++ b/api/kubernetes/yaml/deployment.yaml
@@ -0,0 +1,26 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: openai-api
+  labels:
+    app: openai-api
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: openai-api
+  template:
+    metadata:
+      labels:
+        app: openai-api
+    spec:
+      containers:
+        - name: openai-api
+          image: "${var.aws_account_id}.dkr.ecr.${var.aws_region}.amazonaws.com/${var.ecr_repo_name}:${var.ecr_repo_tag}"
+          env:
+            - name: ENV_VAR1
+              value: "value1"
+            - name: ENV_VAR2
+              value: "value2"
+          ports:
+            - containerPort: 8080
diff --git a/api/kubernetes/yaml/horizontal-pod-autoscaling-policy.yaml b/api/kubernetes/yaml/horizontal-pod-autoscaling-policy.yaml
new file mode 100644
index 00000000..e69de29b
diff --git a/api/kubernetes/yaml/ingress.yaml b/api/kubernetes/yaml/ingress.yaml
new file mode 100644
index 00000000..f9a60f55
--- /dev/null
+++ b/api/kubernetes/yaml/ingress.yaml
@@ -0,0 +1,44 @@
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  annotations:
+    cert-manager.io/cluster-issuer: api.lawrencemcdaniel.com
+    kubectl.kubernetes.io/last-applied-configuration: |
+      {"apiVersion":"networking.k8s.io/v1","kind":"Ingress","metadata":{"annotations":{"cert-manager.io/cluster-issuer":"api.lawrencemcdaniel.com","kubernetes.io/ingress.class":"nginx","nginx.ingress.kubernetes.io/affinity":"cookie","nginx.ingress.kubernetes.io/backend-protocol":"HTTP","nginx.ingress.kubernetes.io/force-ssl-redirect":"true","nginx.ingress.kubernetes.io/proxy-body-size":"0","nginx.ingress.kubernetes.io/proxy-buffer-size":"256k","nginx.ingress.kubernetes.io/proxy-buffers":"4 512k","nginx.ingress.kubernetes.io/proxy-busy-buffers-size":"512k","nginx.ingress.kubernetes.io/session-cookie-expires":"172800","nginx.ingress.kubernetes.io/session-cookie-max-age":"172800","nginx.ingress.kubernetes.io/session-cookie-name":"wordpress_sticky_session"},"name":"api.lawrencemcdaniel.com","namespace":"lawrencemcdaniel-api"},"spec":{"rules":[{"host":"api.lawrencemcdaniel.com","http":{"paths":[{"backend":{"service":{"name":"wordpress","port":{"number":80}}},"path":"/","pathType":"Prefix"}]}}],"tls":[{"hosts":["api.lawrencemcdaniel.com"],"secretName":"api.lawrencemcdaniel.com-tls"}]}}
+    kubernetes.io/ingress.class: nginx
+    nginx.ingress.kubernetes.io/affinity: cookie
+    nginx.ingress.kubernetes.io/backend-protocol: HTTP
+    nginx.ingress.kubernetes.io/force-ssl-redirect: "true"
+    nginx.ingress.kubernetes.io/proxy-body-size: "0"
+    nginx.ingress.kubernetes.io/proxy-buffer-size: 256k
+    nginx.ingress.kubernetes.io/proxy-buffers: 4 512k
+    nginx.ingress.kubernetes.io/proxy-busy-buffers-size: 512k
+    nginx.ingress.kubernetes.io/session-cookie-expires: "172800"
+    nginx.ingress.kubernetes.io/session-cookie-max-age: "172800"
+    nginx.ingress.kubernetes.io/session-cookie-name: wordpress_sticky_session
+  creationTimestamp: "2023-08-22T03:08:08Z"
+  generation: 1
+  name: api.lawrencemcdaniel.com
+  namespace: lawrencemcdaniel-api
+  resourceVersion: "79637258"
+  uid: 0170d971-3b48-46d5-9308-ba4b4a678634
+spec:
+  rules:
+    - host: api.lawrencemcdaniel.com
+      http:
+        paths:
+          - backend:
+              service:
+                name: wordpress
+                port:
+                  number: 80
+            path: /
+            pathType: Prefix
+  tls:
+    - hosts:
+        - api.lawrencemcdaniel.com
+      secretName: api.lawrencemcdaniel.com-tls
+status:
+  loadBalancer:
+    ingress:
+      - hostname: a1db5dfcf202b4a63bdcd0f3c03e769f-769707598.us-east-2.elb.amazonaws.com
diff --git a/api/kubernetes/yaml/service.yaml b/api/kubernetes/yaml/service.yaml
new file mode 100644
index 00000000..5904c303
--- /dev/null
+++ b/api/kubernetes/yaml/service.yaml
@@ -0,0 +1,40 @@
+apiVersion: v1
+kind: Service
+metadata:
+  annotations:
+    meta.helm.sh/release-name: wordpress
+    meta.helm.sh/release-namespace: lawrencemcdaniel-api
+  creationTimestamp: "2023-08-22T03:07:54Z"
+  labels:
+    app.kubernetes.io/instance: wordpress
+    app.kubernetes.io/managed-by: Helm
+    app.kubernetes.io/name: wordpress
+    helm.sh/chart: wordpress-15.2.61
+  name: wordpress
+  namespace: lawrencemcdaniel-api
+  resourceVersion: "79636663"
+  uid: f6492a38-d0b8-47c9-b488-aa9b7402b561
+spec:
+  clusterIP: 10.100.140.218
+  clusterIPs:
+    - 10.100.140.218
+  internalTrafficPolicy: Cluster
+  ipFamilies:
+    - IPv4
+  ipFamilyPolicy: SingleStack
+  ports:
+    - name: http
+      port: 80
+      protocol: TCP
+      targetPort: http
+    - name: https
+      port: 443
+      protocol: TCP
+      targetPort: https
+  selector:
+    app.kubernetes.io/instance: wordpress
+    app.kubernetes.io/name: wordpress
+  sessionAffinity: None
+  type: ClusterIP
+status:
+  loadBalancer: {}
diff --git a/api/kubernetes/yaml/vertical-pod-autoscaling-policy.yaml b/api/kubernetes/yaml/vertical-pod-autoscaling-policy.yaml
new file mode 100644
index 00000000..cf28b60b
--- /dev/null
+++ b/api/kubernetes/yaml/vertical-pod-autoscaling-policy.yaml
@@ -0,0 +1,55 @@
+apiVersion: autoscaling.k8s.io/v1
+kind: VerticalPodAutoscaler
+metadata:
+  creationTimestamp: "2023-08-22T03:08:10Z"
+  generation: 117309
+  name: vpa-recommender-wordpress
+  namespace: lawrencemcdaniel-api
+  resourceVersion: "171470577"
+  uid: 08c46fcd-c2a4-4c32-9393-60ee7d35bf5b
+spec:
+  resourcePolicy:
+    containerPolicies:
+      - containerName: wordpress
+        maxAllowed:
+          cpu: 1000m
+          memory: 1000Mi
+  targetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: wordpress
+  updatePolicy:
+    updateMode: Auto
+status:
+  conditions:
+    - lastTransitionTime: "2023-08-22T03:10:22Z"
+      status: "True"
+      type: RecommendationProvided
+  recommendation:
+    containerRecommendations:
+      - containerName: metrics
+        lowerBound:
+          cpu: 12m
+          memory: 131072k
+        target:
+          cpu: 12m
+          memory: 131072k
+        uncappedTarget:
+          cpu: 12m
+          memory: 131072k
+        upperBound:
+          cpu: 15m
+          memory: 131072k
+      - containerName: wordpress
+        lowerBound:
+          cpu: 22m
+          memory: "865925832"
+        target:
+          cpu: 23m
+          memory: 1000Mi
+        uncappedTarget:
+          cpu: 23m
+          memory: "1389197403"
+        upperBound:
+          cpu: 23m
+          memory: 1000Mi
diff --git a/api/terraform/python/layer_nlp/requirements.txt b/api/terraform/python/layer_nlp/requirements.txt
index e1ee2aa5..1243c0c9 100644
--- a/api/terraform/python/layer_nlp/requirements.txt
+++ b/api/terraform/python/layer_nlp/requirements.txt
@@ -8,13 +8,16 @@
 #             requirements in the zip package for this layer.
 # -----------------------------------------------------------------------------
 
+pyyaml==6.0.1
+
 # NLP requirements
 # --------------------------
 python-Levenshtein==0.26.1
 pyyaml
 
 # weather function
-googlemaps
-openmeteo-requests
-requests-cache
-retry-requests
+# --------------------------
+googlemaps==4.10.0
+openmeteo-requests==1.1.0
+requests-cache==1.1.1
+retry-requests==2.0.0
diff --git a/api/terraform/python/layer_pandas/requirements.txt b/api/terraform/python/layer_pandas/requirements.txt
index f5e4ce66..a37af469 100644
--- a/api/terraform/python/layer_pandas/requirements.txt
+++ b/api/terraform/python/layer_pandas/requirements.txt
@@ -5,4 +5,4 @@
 # usage:      Shared Python requirements for anything requiring Pandas or NumPy
 # -----------------------------------------------------------------------------
 
-pandas
+pandas==0.0.1
diff --git a/requirements.txt b/requirements.txt
index 65bf2ced..8caed9e0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -54,9 +54,7 @@ python-Levenshtein==0.26.0
 pyyaml
 
 # weather function
-googlemaps
-openmeteo-requests
-requests-cache
-retry-requests
-numpy
-pandas
+googlemaps==4.10.0
+openmeteo-requests==1.1.0
+requests-cache==1.1.1
+retry-requests==2.0.0