diff --git a/README.md b/README.md
index 9e5b37d3..58d60aaf 100644
--- a/README.md
+++ b/README.md
@@ -252,6 +252,10 @@ BigAnimal specific environment variables that can be used during `terraform plan
       - Expired token is reused
 - `TF_VAR_ba_project_id` - Biganimal project id if not defined within the yaml configuration.
   - For persistence, a tfvars file can be created with `ba_project_id` defined.
+- Custom Image (Only available for dev environments)
+  - `TF_VAR_ba_pg_image` - Biganimal postgres image if not defined within the yaml configuration
+  - `TF_VAR_ba_proxy_image` - Biganimal proxy image if not defined within the yaml configuration
+  - `TF_VAR_ba_ignore_image` - Ignore image values (Default: `false`)
 
 ### Environment variables
 Terraform allows for top-level variables to be defined with cli arguments or environment variables.
diff --git a/docs/examples/aws/biganimal.yml b/docs/examples/aws/biganimal.yml
index 2b44a700..9871d507 100644
--- a/docs/examples/aws/biganimal.yml
+++ b/docs/examples/aws/biganimal.yml
@@ -11,7 +11,11 @@ aws:
       #   or it can be configured per cluster configuration:
       #project:
       #  id: prj_1234567890
-      # password: "ndslniv&03ind**vDdjfnjv" # auto-generated if not provided
+      # password: "" # auto-generated if not provided
+      # Only available for dev environments and can be set as environment variables
+      #image:
+      #  pg: ""
+      #  proxy: ""
       data_groups:
         one:
           cloud_account: false
diff --git a/edbterraform/data/templates/aws/validation.tf.j2 b/edbterraform/data/templates/aws/validation.tf.j2
index 7174c7fd..faa4d363 100644
--- a/edbterraform/data/templates/aws/validation.tf.j2
+++ b/edbterraform/data/templates/aws/validation.tf.j2
@@ -1,12 +1,19 @@
 # All modules should reference this module's outputs
-# During terraform plan, will act as basic validation of yaml input(var.spec) with variable validation and preconditions
-# During terraform apply, will check for availability of resources with data sources and postconditions
+# During terraform plan, will act as basic validation of yaml input(var.spec) with:
+# - variable validation
+# - preconditions
+# - data sources as long as there is no resource dependency, which then postpones it to 'terraform apply'
 module "spec" {
   source = "./modules/specification"
 
   spec = var.spec
+
   force_ssh_access = var.force_service_machines
+
   ba_project_id_default = var.ba_project_id
+  ba_ignore_image_default = var.ba_ignore_image
+  ba_pg_image_default = var.ba_pg_image
+  ba_proxy_image_default = var.ba_proxy_image
 }
 
 # All modules should use the last created module in their depends_on through jinja
diff --git a/edbterraform/data/templates/azure/validation.tf.j2 b/edbterraform/data/templates/azure/validation.tf.j2
index 0ad2af87..6fb08c6b 100644
--- a/edbterraform/data/templates/azure/validation.tf.j2
+++ b/edbterraform/data/templates/azure/validation.tf.j2
@@ -1,13 +1,19 @@
-# All modules should reference this module's outputs for input from user
-# All modules should reference this module in depends_on
-# During terraform plan, will act as basic validation of yaml input(var.spec) with variable validation and preconditions
-# During terraform apply, will check for availability of resources with data sources and postconditions
+# All modules should reference this module's outputs
+# During terraform plan, will act as basic validation of yaml input(var.spec) with:
+# - variable validation
+# - preconditions
+# - data sources as long as there is no resource dependency, which then postpones it to 'terraform apply'
 module "spec" {
   source = "./modules/specification"
 
   spec = var.spec
+
   force_ssh_access = var.force_service_machines
+
   ba_project_id_default = var.ba_project_id
+  ba_ignore_image_default = var.ba_ignore_image
+  ba_pg_image_default = var.ba_pg_image
+  ba_proxy_image_default = var.ba_proxy_image
 }
 
 resource "null_resource" "validation" {
diff --git a/edbterraform/data/templates/gcloud/validation.tf.j2 b/edbterraform/data/templates/gcloud/validation.tf.j2
index 0ad2af87..6fb08c6b 100644
--- a/edbterraform/data/templates/gcloud/validation.tf.j2
+++ b/edbterraform/data/templates/gcloud/validation.tf.j2
@@ -1,13 +1,19 @@
-# All modules should reference this module's outputs for input from user
-# All modules should reference this module in depends_on
-# During terraform plan, will act as basic validation of yaml input(var.spec) with variable validation and preconditions
-# During terraform apply, will check for availability of resources with data sources and postconditions
+# All modules should reference this module's outputs
+# During terraform plan, will act as basic validation of yaml input(var.spec) with:
+# - variable validation
+# - preconditions
+# - data sources as long as there is no resource dependency, which then postpones it to 'terraform apply'
 module "spec" {
   source = "./modules/specification"
 
   spec = var.spec
+
   force_ssh_access = var.force_service_machines
+
   ba_project_id_default = var.ba_project_id
+  ba_ignore_image_default = var.ba_ignore_image
+  ba_pg_image_default = var.ba_pg_image
+  ba_proxy_image_default = var.ba_proxy_image
 }
 
 resource "null_resource" "validation" {
diff --git a/edbterraform/data/terraform/aws/modules/specification/outputs.tf b/edbterraform/data/terraform/aws/modules/specification/outputs.tf
index 213314a2..804d2896 100644
--- a/edbterraform/data/terraform/aws/modules/specification/outputs.tf
+++ b/edbterraform/data/terraform/aws/modules/specification/outputs.tf
@@ -139,7 +139,13 @@ output "region_auroras" {
 output "biganimal" {
   value = {
     for name, biganimal_spec in var.spec.biganimal : name => merge(biganimal_spec, {
-        project = biganimal_spec.project.id == null ? {"id":"${var.ba_project_id_default}"} : biganimal_spec.project
+        project = {
+          id = biganimal_spec.project.id == null || biganimal_spec.project.id == "" ? var.ba_project_id_default : biganimal_spec.project.id
+        }
+        image = var.ba_ignore_image_default ? { pg = null, proxy = null } : {
+          pg    = biganimal_spec.image.pg == null || biganimal_spec.image.pg == "" ? var.ba_pg_image_default : biganimal_spec.image.pg
+          proxy = biganimal_spec.image.proxy == null || biganimal_spec.image.proxy == "" ? var.ba_proxy_image_default : biganimal_spec.image.proxy
+        }
         # spec project tags
         tags = merge(local.tags, biganimal_spec.tags, {
           Name = format("%s-%s-%s", name, local.cluster_name, random_id.apply.id)
diff --git a/edbterraform/data/terraform/aws/modules/specification/variables.tf b/edbterraform/data/terraform/aws/modules/specification/variables.tf
index 34c042b2..4fb68a95 100644
--- a/edbterraform/data/terraform/aws/modules/specification/variables.tf
+++ b/edbterraform/data/terraform/aws/modules/specification/variables.tf
@@ -226,6 +226,27 @@ variable "ba_project_id_default" {
   nullable = true
 }
 
+variable "ba_pg_image_default" {
+  description = "Dev only: BigAnimal postgres image to use if not defined within the biganimal configuration"
+  type = string
+  nullable = true
+  default = null
+}
+
+variable "ba_proxy_image_default" {
+  description = "Dev only: BigAnimal proxy image to use if not defined within the biganimal configuration"
+  type = string
+  nullable = true
+  default = null
+}
+
+variable "ba_ignore_image_default" {
+  description = "Ignore biganimal custom images"
+  type = bool
+  nullable = false
+  default = false
+}
+
 locals {
   cluster_name = can(var.spec.tags.cluster_name) ? var.spec.tags.cluster_name : "AWS-Cluster-default"
   created_by = can(var.spec.tags.created_by) ? var.spec.tags.created_by : "EDB-Terraform-AWS"
diff --git a/edbterraform/data/terraform/azure/modules/specification/outputs.tf b/edbterraform/data/terraform/azure/modules/specification/outputs.tf
index e3012e92..3900ee06 100644
--- a/edbterraform/data/terraform/azure/modules/specification/outputs.tf
+++ b/edbterraform/data/terraform/azure/modules/specification/outputs.tf
@@ -127,7 +127,13 @@ output "region_databases" {
 output "biganimal" {
   value = {
     for name, biganimal_spec in var.spec.biganimal : name => merge(biganimal_spec, {
-        project = biganimal_spec.project.id == null ? {"id":"${var.ba_project_id_default}"} : biganimal_spec.project
+        project = {
+          id = biganimal_spec.project.id == null || biganimal_spec.project.id == "" ? var.ba_project_id_default : biganimal_spec.project.id
+        }
+        image = var.ba_ignore_image_default ? { pg = null, proxy = null } : {
+          pg    = biganimal_spec.image.pg == null || biganimal_spec.image.pg == "" ? var.ba_pg_image_default : biganimal_spec.image.pg
+          proxy = biganimal_spec.image.proxy == null || biganimal_spec.image.proxy == "" ? var.ba_proxy_image_default : biganimal_spec.image.proxy
+        }
         # spec project tags
         tags = merge(local.tags, biganimal_spec.tags, {
           Name = format("%s-%s-%s", name, local.cluster_name, random_id.apply.id)
diff --git a/edbterraform/data/terraform/azure/modules/specification/variables.tf b/edbterraform/data/terraform/azure/modules/specification/variables.tf
index 5a7abd46..058dace1 100644
--- a/edbterraform/data/terraform/azure/modules/specification/variables.tf
+++ b/edbterraform/data/terraform/azure/modules/specification/variables.tf
@@ -181,6 +181,27 @@ variable "ba_project_id_default" {
   nullable = true
 }
 
+variable "ba_pg_image_default" {
+  description = "Dev only: BigAnimal postgres image to use if not defined within the biganimal configuration"
+  type = string
+  nullable = true
+  default = null
+}
+
+variable "ba_proxy_image_default" {
+  description = "Dev only: BigAnimal proxy image to use if not defined within the biganimal configuration"
+  type = string
+  nullable = true
+  default = null
+}
+
+variable "ba_ignore_image_default" {
+  description = "Ignore biganimal custom images"
+  type = bool
+  nullable = false
+  default = false
+}
+
 locals {
   cluster_name = can(var.spec.tags.cluster_name) ? var.spec.tags.cluster_name : "Azure-Cluster-default"
   created_by = can(var.spec.tags.created_by) ? var.spec.tags.created_by : "EDB-Terraform-Azure"
diff --git a/edbterraform/data/terraform/common_vars.tf b/edbterraform/data/terraform/common_vars.tf
index 024179b8..babc779c 100644
--- a/edbterraform/data/terraform/common_vars.tf
+++ b/edbterraform/data/terraform/common_vars.tf
@@ -26,6 +26,27 @@ variable "ba_project_id" {
   default = null
 }
 
+variable "ba_pg_image" {
+  description = "Dev only: BigAnimal postgres image to use if not defined within the biganimal configuration"
+  type = string
+  nullable = true
+  default = null
+}
+
+variable "ba_proxy_image" {
+  description = "Dev only: BigAnimal proxy image to use if not defined within the biganimal configuration"
+  type = string
+  nullable = true
+  default = null
+}
+
+variable "ba_ignore_image" {
+  description = "Ignore biganimal custom images"
+  type = bool
+  nullable = false
+  default = false
+}
+
 variable "public_cidrblocks" {
   description = "Public CIDR block"
   type        = list(string)
diff --git a/edbterraform/data/terraform/gcloud/modules/specification/outputs.tf b/edbterraform/data/terraform/gcloud/modules/specification/outputs.tf
index 5fffbbc5..f5e6bf44 100644
--- a/edbterraform/data/terraform/gcloud/modules/specification/outputs.tf
+++ b/edbterraform/data/terraform/gcloud/modules/specification/outputs.tf
@@ -130,7 +130,13 @@ output "region_alloys" {
 output "biganimal" {
   value = {
     for name, biganimal_spec in var.spec.biganimal : name => merge(biganimal_spec, {
-        project = biganimal_spec.project.id == null ? {"id":"${var.ba_project_id_default}"} : biganimal_spec.project
+        project = {
+          id = biganimal_spec.project.id == null || biganimal_spec.project.id == "" ? var.ba_project_id_default : biganimal_spec.project.id
+        }
+        image = var.ba_ignore_image_default ? { pg = null, proxy = null } : {
+          pg    = biganimal_spec.image.pg == null || biganimal_spec.image.pg == "" ? var.ba_pg_image_default : biganimal_spec.image.pg
+          proxy = biganimal_spec.image.proxy == null || biganimal_spec.image.proxy == "" ? var.ba_proxy_image_default : biganimal_spec.image.proxy
+        }
         # spec project tags
         tags = merge(local.tags, biganimal_spec.tags, {
           Name = format("%s-%s-%s", name, local.cluster_name, random_id.apply.id)
diff --git a/edbterraform/data/terraform/gcloud/modules/specification/variables.tf b/edbterraform/data/terraform/gcloud/modules/specification/variables.tf
index bb5219f6..bcfbc9e5 100644
--- a/edbterraform/data/terraform/gcloud/modules/specification/variables.tf
+++ b/edbterraform/data/terraform/gcloud/modules/specification/variables.tf
@@ -191,6 +191,27 @@ variable "ba_project_id_default" {
   nullable = true
 }
 
+variable "ba_pg_image_default" {
+  description = "Dev only: BigAnimal postgres image to use if not defined within the biganimal configuration"
+  type = string
+  nullable = true
+  default = null
+}
+
+variable "ba_proxy_image_default" {
+  description = "Dev only: BigAnimal proxy image to use if not defined within the biganimal configuration"
+  type = string
+  nullable = true
+  default = null
+}
+
+variable "ba_ignore_image_default" {
+  description = "Ignore biganimal custom images"
+  type = bool
+  nullable = false
+  default = false
+}
+
 locals {
   cluster_name = can(var.spec.tags.cluster_name) ? var.spec.tags.cluster_name : "GCloud-Cluster-default"
   created_by = can(var.spec.tags.created_by) ? var.spec.tags.created_by : "EDB-Terraform-GCloud"