diff --git a/README.md b/README.md
index f1d4412..1c9ec2d 100644
--- a/README.md
+++ b/README.md
@@ -99,7 +99,7 @@ module "iglu_server" {
 |------|--------|---------|
 | <a name="module_instance_type_metrics"></a> [instance\_type\_metrics](#module\_instance\_type\_metrics) | snowplow-devops/ec2-instance-type-metrics/aws | 0.1.2 |
 | <a name="module_service"></a> [service](#module\_service) | snowplow-devops/service-ec2/aws | 0.2.1 |
-| <a name="module_telemetry"></a> [telemetry](#module\_telemetry) | snowplow-devops/telemetry/snowplow | 0.4.0 |
+| <a name="module_telemetry"></a> [telemetry](#module\_telemetry) | snowplow-devops/telemetry/snowplow | 0.5.0 |
 
 ## Resources
 
@@ -142,13 +142,14 @@ module "iglu_server" {
 | <a name="input_vpc_id"></a> [vpc\_id](#input\_vpc\_id) | The VPC to deploy the Iglu Server within | `string` | n/a | yes |
 | <a name="input_accept_limited_use_license"></a> [accept\_limited\_use\_license](#input\_accept\_limited\_use\_license) | Acceptance of the SLULA terms (https://docs.snowplow.io/limited-use-license-1.0/) | `bool` | `false` | no |
 | <a name="input_amazon_linux_2_ami_id"></a> [amazon\_linux\_2\_ami\_id](#input\_amazon\_linux\_2\_ami\_id) | The AMI ID to use which must be based of of Amazon Linux 2; by default the latest community version is used | `string` | `""` | no |
+| <a name="input_app_version"></a> [app\_version](#input\_app\_version) | App version to use. This variable facilitates dev flow, the modules may not work with anything other than the default value. | `string` | `"0.12.0"` | no |
 | <a name="input_associate_public_ip_address"></a> [associate\_public\_ip\_address](#input\_associate\_public\_ip\_address) | Whether to assign a public ip address to this instance | `bool` | `true` | no |
 | <a name="input_cloudwatch_logs_enabled"></a> [cloudwatch\_logs\_enabled](#input\_cloudwatch\_logs\_enabled) | Whether application logs should be reported to CloudWatch | `bool` | `true` | no |
 | <a name="input_cloudwatch_logs_retention_days"></a> [cloudwatch\_logs\_retention\_days](#input\_cloudwatch\_logs\_retention\_days) | The length of time in days to retain logs for | `number` | `7` | no |
 | <a name="input_enable_auto_scaling"></a> [enable\_auto\_scaling](#input\_enable\_auto\_scaling) | Whether to enable auto-scaling policies for the service (WARN: ensure you have sufficient db\_connections available for the max number of nodes in the ASG) | `bool` | `true` | no |
 | <a name="input_iam_permissions_boundary"></a> [iam\_permissions\_boundary](#input\_iam\_permissions\_boundary) | The permissions boundary ARN to set on IAM roles created | `string` | `""` | no |
 | <a name="input_instance_type"></a> [instance\_type](#input\_instance\_type) | The instance type to use | `string` | `"t3a.micro"` | no |
-| <a name="input_java_opts"></a> [java\_opts](#input\_java\_opts) | Custom JAVA Options | `string` | `"-Dorg.slf4j.simpleLogger.defaultLogLevel=info -XX:MinRAMPercentage=50 -XX:MaxRAMPercentage=75"` | no |
+| <a name="input_java_opts"></a> [java\_opts](#input\_java\_opts) | Custom JAVA Options | `string` | `"-XX:InitialRAMPercentage=75 -XX:MaxRAMPercentage=75"` | no |
 | <a name="input_max_size"></a> [max\_size](#input\_max\_size) | The maximum number of servers in this server-group | `number` | `2` | no |
 | <a name="input_min_size"></a> [min\_size](#input\_min\_size) | The minimum number of servers in this server-group | `number` | `1` | no |
 | <a name="input_patches_allowed"></a> [patches\_allowed](#input\_patches\_allowed) | Whether or not patches are allowed for published Iglu Schemas | `bool` | `true` | no |
diff --git a/main.tf b/main.tf
index 894b0ca..c7d1fc6 100644
--- a/main.tf
+++ b/main.tf
@@ -3,7 +3,7 @@ locals {
   module_version = "0.4.4"
 
   app_name    = "iglu-server"
-  app_version = "0.10.0"
+  app_version = var.app_version
 
   local_tags = {
     Name           = var.name
@@ -26,7 +26,7 @@ data "aws_caller_identity" "current" {}
 
 module "telemetry" {
   source  = "snowplow-devops/telemetry/snowplow"
-  version = "0.4.0"
+  version = "0.5.0"
 
   count = var.telemetry_enabled ? 1 : 0
 
@@ -220,7 +220,7 @@ locals {
     accept_limited_use_license = var.accept_limited_use_license
 
     port        = var.ingress_port
-    config      = local.iglu_server_hocon
+    config_b64  = base64encode(local.iglu_server_hocon)
     version     = local.app_version
     db_host     = var.db_host
     db_port     = var.db_port
diff --git a/templates/user-data.sh.tmpl b/templates/user-data.sh.tmpl
index 721accf..e874c53 100644
--- a/templates/user-data.sh.tmpl
+++ b/templates/user-data.sh.tmpl
@@ -1,8 +1,8 @@
 readonly CONFIG_DIR=/opt/snowplow/config
 
 sudo mkdir -p $${CONFIG_DIR}
-sudo cat << EOF > $${CONFIG_DIR}/iglu-server.hocon
-${config}
+sudo base64 --decode << EOF > $${CONFIG_DIR}/iglu-server.hocon
+${config_b64}
 EOF
 
 # Run the server setup
@@ -15,9 +15,9 @@ sudo docker run \
   --log-opt awslogs-group=${cloudwatch_log_group_name} \
   --log-opt awslogs-stream=$(get_instance_id) \
 %{ endif ~}
-  -v $${CONFIG_DIR}:/snowplow/config \
-  -e 'JAVA_OPTS=${java_opts}' \
-  -e 'ACCEPT_LIMITED_USE_LICENSE=${accept_limited_use_license}' \
+  --mount type=bind,source=$${CONFIG_DIR},target=/snowplow/config \
+  --env JDK_JAVA_OPTIONS='${java_opts}' \
+  --env ACCEPT_LIMITED_USE_LICENSE=${accept_limited_use_license} \
   snowplow/iglu-server:${version} \
   setup --config /snowplow/config/iglu-server.hocon
 set -e
@@ -37,10 +37,10 @@ sudo docker run \
   --log-opt max-size=10m \
   --log-opt max-file=5 \
 %{ endif ~}
-  -v $${CONFIG_DIR}:/snowplow/config \
+  --mount type=bind,source=$${CONFIG_DIR},target=/snowplow/config \
+  --env JDK_JAVA_OPTIONS='${java_opts}' \
+  --env ACCEPT_LIMITED_USE_LICENSE=${accept_limited_use_license} \
   -p ${port}:${port} \
-  -e 'JAVA_OPTS=${java_opts}' \
-  -e 'ACCEPT_LIMITED_USE_LICENSE=${accept_limited_use_license}' \
   snowplow/iglu-server:${version} \
   --config /snowplow/config/iglu-server.hocon
 
diff --git a/variables.tf b/variables.tf
index 1d001e3..e2137af 100644
--- a/variables.tf
+++ b/variables.tf
@@ -14,6 +14,12 @@ variable "name" {
   type        = string
 }
 
+variable "app_version" {
+  description = "App version to use. This variable facilitates dev flow, the modules may not work with anything other than the default value."
+  type        = string
+  default     = "0.12.0"
+}
+
 variable "vpc_id" {
   description = "The VPC to deploy the Iglu Server within"
   type        = string
@@ -106,7 +112,7 @@ variable "cloudwatch_logs_retention_days" {
 
 variable "java_opts" {
   description = "Custom JAVA Options"
-  default     = "-Dorg.slf4j.simpleLogger.defaultLogLevel=info -XX:MinRAMPercentage=50 -XX:MaxRAMPercentage=75"
+  default     = "-XX:InitialRAMPercentage=75 -XX:MaxRAMPercentage=75"
   type        = string
 }