diff --git a/cloud/aws/alb/README.md b/cloud/aws/alb/README.md
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+AWS ALB DataDog monitors
+==========================================
+
+How to use this module
+----------------------
+
+```
+module "datadog-monitors-aws-alb" {
+  source = "git::ssh://git@bitbucket.org/morea/terraform.feature.datadog.git//cloud/aws/alb?ref={revision}"
+
+  environment = "${var.environment}"
+  message = "${module.datadog-message-alerting.alerting-message}"
+}
+
+```
+
+Purpose
+-------
+Creates DataDog monitors with the following checks :
+
+* ALB no healthy hosts
+* ALB latency too high
+* ALB http code 5xx percent to high
+* ALB http code 4xx percent to high
+* ALB target http code 5xx percent to high
+* ALB target http code 4xx percent to high
+
+Inputs
+------
+
+| Name | Description | Type | Default | Required |
+|------|-------------|:----:|:-----:|:-----:|
+| alb_no_healthy_instances_message | Custom message for ALB no healthy instances monitor | string | `` | no |
+| alb_no_healthy_instances_silenced | Groups to mute for ALB no healthy instances monitor | map | `<map>` | no |
+| delay | Delay in seconds for the metric evaluation | string | `900` | no |
+| environment | Architecture environment | string | - | yes |
+| filter_tags_custom | Tags used for custom filtering when filter_tags_use_defaults is false | string | `*` | no |
+| filter_tags_use_defaults | Use default filter tags convention | string | `true` | no |
+| httpcode_elb_4xx_message | Custom message for ALB httpcode 4xx monitor | string | `` | no |
+| httpcode_elb_4xx_silenced | Groups to mute for ALB httpcode 4xx monitor | map | `<map>` | no |
+| httpcode_elb_4xx_threshold_critical | loadbalancer 4xx critical threshold in percentage | string | `80` | no |
+| httpcode_elb_4xx_threshold_warning | loadbalancer 4xx warning threshold in percentage | string | `60` | no |
+| httpcode_elb_5xx_message | Custom message for ALB httpcode 5xx monitor | string | `` | no |
+| httpcode_elb_5xx_silenced | Groups to mute for ALB httpcode 5xx monitor | map | `<map>` | no |
+| httpcode_elb_5xx_threshold_critical | loadbalancer 5xxcritical threshold in percentage | string | `80` | no |
+| httpcode_elb_5xx_threshold_warning | loadbalancer 5xx warning threshold in percentage | string | `60` | no |
+| httpcode_target_4xx_message | Custom message for ALB target httpcode 4xx monitor | string | `` | no |
+| httpcode_target_4xx_silenced | Groups to mute for ALB target httpcode 4xx monitor | map | `<map>` | no |
+| httpcode_target_4xx_threshold_critical | target 4xx critical threshold in percentage | string | `80` | no |
+| httpcode_target_4xx_threshold_warning | target 4xx warning threshold in percentage | string | `60` | no |
+| httpcode_target_5xx_message | Custom message for ALB target httpcode 5xx monitor | string | `` | no |
+| httpcode_target_5xx_silenced | Groups to mute for ALB target httpcode 5xx monitor | map | `<map>` | no |
+| httpcode_target_5xx_threshold_critical | target 5xx critical threshold in percentage | string | `80` | no |
+| httpcode_target_5xx_threshold_warning | target 5xx warning threshold in percentage | string | `60` | no |
+| latency_message | Custom message for ALB latency monitor | string | `` | no |
+| latency_silenced | Groups to mute for ALB latency monitor | map | `<map>` | no |
+| latency_threshold_critical | latency critical threshold in milliseconds | string | `1000` | no |
+| latency_threshold_warning | latency warning threshold in milliseconds | string | `500` | no |
+| message | Message sent when a monitor is triggered | string | - | yes |
+
+Related documentation
+---------------------
+
+DataDog blog: [https://www.datadoghq.com/blog/monitor-application-load-balancer/](https://www.datadoghq.com/blog/monitor-application-load-balancer/)
+
+AWS ALB metrics documentation: [https://docs.aws.amazon.com/elasticloadbalancing/latest/application/load-balancer-cloudwatch-metrics.html](https://docs.aws.amazon.com/elasticloadbalancing/latest/application/load-balancer-cloudwatch-metrics.html)
diff --git a/cloud/aws/alb/inputs.tf b/cloud/aws/alb/inputs.tf
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+# Datadog global variables
+
+variable "environment" {
+  description = "Architecture environment"
+  type        = "string"
+}
+
+variable "filter_tags_use_defaults" {
+  description = "Use default filter tags convention"
+  default     = "true"
+}
+
+variable "filter_tags_custom" {
+  description = "Tags used for custom filtering when filter_tags_use_defaults is false"
+  default     = "*"
+}
+
+variable "message" {
+  description = "Message sent when a monitor is triggered"
+}
+
+variable "delay" {
+  description = "Delay in seconds for the metric evaluation"
+  default     = 900
+}
+
+# Datadog monitors variables
+
+variable "alb_no_healthy_instances_silenced" {
+  description = "Groups to mute for ALB no healthy instances monitor"
+  type        = "map"
+  default     = {}
+}
+
+variable "alb_no_healthy_instances_message" {
+  description = "Custom message for ALB no healthy instances monitor"
+  type        = "string"
+  default     = ""
+}
+
+variable "latency_silenced" {
+  description = "Groups to mute for ALB latency monitor"
+  type        = "map"
+  default     = {}
+}
+
+variable "latency_message" {
+  description = "Custom message for ALB latency monitor"
+  type        = "string"
+  default     = ""
+}
+
+variable "latency_threshold_critical" {
+  default     = 1000
+  description = "latency critical threshold in milliseconds"
+}
+
+variable "latency_threshold_warning" {
+  default     = 500
+  description = "latency warning threshold in milliseconds"
+}
+
+variable "httpcode_elb_4xx_silenced" {
+  description = "Groups to mute for ALB httpcode 4xx monitor"
+  type        = "map"
+  default     = {}
+}
+
+variable "httpcode_elb_4xx_message" {
+  description = "Custom message for ALB httpcode 4xx monitor"
+  type        = "string"
+  default     = ""
+}
+
+variable "httpcode_elb_4xx_threshold_critical" {
+  default     = 80
+  description = "loadbalancer 4xx critical threshold in percentage"
+}
+
+variable "httpcode_elb_4xx_threshold_warning" {
+  default     = 60
+  description = "loadbalancer 4xx warning threshold in percentage"
+}
+
+variable "httpcode_target_4xx_silenced" {
+  description = "Groups to mute for ALB target httpcode 4xx monitor"
+  type        = "map"
+  default     = {}
+}
+
+variable "httpcode_target_4xx_message" {
+  description = "Custom message for ALB target httpcode 4xx monitor"
+  type        = "string"
+  default     = ""
+}
+
+variable "httpcode_target_4xx_threshold_critical" {
+  default     = 80
+  description = "target 4xx critical threshold in percentage"
+}
+
+variable "httpcode_target_4xx_threshold_warning" {
+  default     = 60
+  description = "target 4xx warning threshold in percentage"
+}
+
+variable "httpcode_elb_5xx_silenced" {
+  description = "Groups to mute for ALB httpcode 5xx monitor"
+  type        = "map"
+  default     = {}
+}
+
+variable "httpcode_elb_5xx_message" {
+  description = "Custom message for ALB httpcode 5xx monitor"
+  type        = "string"
+  default     = ""
+}
+
+variable "httpcode_elb_5xx_threshold_critical" {
+  default     = 80
+  description = "loadbalancer 5xxcritical threshold in percentage"
+}
+
+variable "httpcode_elb_5xx_threshold_warning" {
+  default     = 60
+  description = "loadbalancer 5xx warning threshold in percentage"
+}
+
+variable "httpcode_target_5xx_silenced" {
+  description = "Groups to mute for ALB target httpcode 5xx monitor"
+  type        = "map"
+  default     = {}
+}
+
+variable "httpcode_target_5xx_message" {
+  description = "Custom message for ALB target httpcode 5xx monitor"
+  type        = "string"
+  default     = ""
+}
+
+variable "httpcode_target_5xx_threshold_critical" {
+  default     = 80
+  description = "target 5xx critical threshold in percentage"
+}
+
+variable "httpcode_target_5xx_threshold_warning" {
+  default     = 60
+  description = "target 5xx warning threshold in percentage"
+}
+
+variable "artificial_requests_count" {
+  default     = 5
+  description = "Number of false requests used to mitigate false positive in case of low trafic"
+}
diff --git a/cloud/aws/alb/monitors-alb.tf b/cloud/aws/alb/monitors-alb.tf
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+data "template_file" "filter" {
+  template = "$${filter}"
+
+  vars {
+    filter = "${var.filter_tags_use_defaults == "true" ?
+             format("dd_monitoring:enabled,dd_aws_alb:enabled,env:%s", var.environment) :
+             "${var.filter_tags_custom}"}"
+  }
+}
+
+resource "datadog_monitor" "ALB_no_healthy_instances" {
+  name    = "[${var.environment}] ALB no healthy instances"
+  type    = "metric alert"
+  message = "${coalesce(var.alb_no_healthy_instances_message, var.message)}"
+
+  query = <<EOF
+    min(last_1m): (
+      sum:aws.applicationelb.healthy_host_count{${data.template_file.filter.rendered}} by {region,loadbalancer}
+    ) <= 0
+  EOF
+
+  evaluation_delay = "${var.delay}"
+  new_host_delay   = "${var.delay}"
+
+  thresholds {
+    critical = 0
+  }
+
+  notify_no_data      = true
+  renotify_interval   = 0
+  require_full_window = false
+  timeout_h           = 0
+  include_tags        = true
+
+  silenced = "${var.alb_no_healthy_instances_silenced}"
+
+  tags = ["env:${var.environment}", "resource:alb", "team:aws", "provider:aws"]
+}
+
+resource "datadog_monitor" "ALB_latency" {
+  name    = "[${var.environment}] ALB latency {{#is_alert}}{{comparator}} {{threshold}}% ({{value}}%){{/is_alert}}{{#is_warning}}{{comparator}} {{warn_threshold}}% ({{value}}%){{/is_warning}}"
+  type    = "metric alert"
+  message = "${coalesce(var.latency_message, var.message)}"
+
+  query = <<EOF
+    min(last_5m): (
+      avg:aws.applicationelb.target_response_time.average{${data.template_file.filter.rendered}} by {region,loadbalancer}
+    ) > ${var.latency_threshold_critical}
+  EOF
+
+  evaluation_delay = "${var.delay}"
+  new_host_delay   = "${var.delay}"
+
+  thresholds {
+    critical = "${var.latency_threshold_critical}"
+    warning  = "${var.latency_threshold_warning}"
+  }
+
+  notify_no_data      = false
+  renotify_interval   = 0
+  require_full_window = false
+  timeout_h           = 0
+  include_tags        = true
+
+  silenced = "${var.latency_silenced}"
+
+  tags = ["env:${var.environment}", "resource:alb", "team:aws", "provider:aws"]
+}
+
+resource "datadog_monitor" "ALB_httpcode_elb_5xx" {
+  name    = "[${var.environment}] ALB HTTP code 5xx {{#is_alert}}{{comparator}} {{threshold}}% ({{value}}%){{/is_alert}}{{#is_warning}}{{comparator}} {{warn_threshold}}% ({{value}}%){{/is_warning}}"
+  type    = "metric alert"
+  message = "${coalesce(var.httpcode_elb_5xx_message, var.message)}"
+
+  query = <<EOF
+    sum(last_5m): (
+      default(
+        avg:aws.applicationelb.httpcode_elb_5xx{${data.template_file.filter.rendered}} by {region,loadbalancer}.as_count() /
+        (avg:aws.applicationelb.request_count{${data.template_file.filter.rendered}} by {region,loadbalancer}.as_count() + ${var.artificial_requests_count}),
+      0) * 100
+    ) > ${var.httpcode_elb_5xx_threshold_critical}
+  EOF
+
+  evaluation_delay = "${var.delay}"
+  new_host_delay   = "${var.delay}"
+
+  thresholds {
+    critical = "${var.httpcode_elb_5xx_threshold_critical}"
+    warning  = "${var.httpcode_elb_5xx_threshold_warning}"
+  }
+
+  notify_no_data      = false
+  renotify_interval   = 0
+  require_full_window = false
+  timeout_h           = 0
+  include_tags        = true
+
+  silenced = "${var.httpcode_elb_5xx_silenced}"
+
+  tags = ["env:${var.environment}", "resource:alb", "team:aws", "provider:aws"]
+}
+
+resource "datadog_monitor" "ALB_httpcode_elb_4xx" {
+  name    = "[${var.environment}] ALB HTTP code 4xx {{#is_alert}}{{comparator}} {{threshold}}% ({{value}}%){{/is_alert}}{{#is_warning}}{{comparator}} {{warn_threshold}}% ({{value}}%){{/is_warning}}"
+  type    = "metric alert"
+  message = "${coalesce(var.httpcode_elb_4xx_message, var.message)}"
+
+  query = <<EOF
+    sum(last_5m): (
+      default(
+        avg:aws.applicationelb.httpcode_elb_4xx{${data.template_file.filter.rendered}} by {region,loadbalancer}.as_count() /
+        (avg:aws.applicationelb.request_count{${data.template_file.filter.rendered}} by {region,loadbalancer}.as_count() + ${var.artificial_requests_count}),
+      0) * 100
+    ) > ${var.httpcode_elb_4xx_threshold_critical}
+  EOF
+
+  evaluation_delay = "${var.delay}"
+  new_host_delay   = "${var.delay}"
+
+  thresholds {
+    critical = "${var.httpcode_elb_4xx_threshold_critical}"
+    warning  = "${var.httpcode_elb_4xx_threshold_warning}"
+  }
+
+  notify_no_data      = false
+  renotify_interval   = 0
+  require_full_window = false
+  timeout_h           = 0
+  include_tags        = true
+
+  silenced = "${var.httpcode_elb_4xx_silenced}"
+
+  tags = ["env:${var.environment}", "resource:alb", "team:aws", "provider:aws"]
+}
+
+resource "datadog_monitor" "ALB_httpcode_target_5xx" {
+  name    = "[${var.environment}] ALB target HTTP code 5xx {{#is_alert}}{{comparator}} {{threshold}}% ({{value}}%){{/is_alert}}{{#is_warning}}{{comparator}} {{warn_threshold}}% ({{value}}%){{/is_warning}}"
+  type    = "metric alert"
+  message = "${coalesce(var.httpcode_target_5xx_message, var.message)}"
+
+  query = <<EOF
+    sum(last_5m): (
+      default(
+        avg:aws.applicationelb.httpcode_target_5xx{${data.template_file.filter.rendered}} by {region,loadbalancer}.as_count() /
+        (avg:aws.applicationelb.request_count{${data.template_file.filter.rendered}} by {region,loadbalancer}.as_count() + ${var.artificial_requests_count}),
+      0) * 100
+    ) > ${var.httpcode_target_5xx_threshold_critical}
+  EOF
+
+  evaluation_delay = "${var.delay}"
+  new_host_delay   = "${var.delay}"
+
+  thresholds {
+    critical = "${var.httpcode_target_5xx_threshold_critical}"
+    warning  = "${var.httpcode_target_5xx_threshold_warning}"
+  }
+
+  notify_no_data      = false
+  renotify_interval   = 0
+  require_full_window = false
+  timeout_h           = 0
+  include_tags        = true
+
+  silenced = "${var.httpcode_target_5xx_silenced}"
+
+  tags = ["env:${var.environment}", "resource:alb", "team:aws", "provider:aws"]
+}
+
+resource "datadog_monitor" "ALB_httpcode_target_4xx" {
+  name    = "[${var.environment}] ALB target HTTP code 4xx {{#is_alert}}{{comparator}} {{threshold}}% ({{value}}%){{/is_alert}}{{#is_warning}}{{comparator}} {{warn_threshold}}% ({{value}}%){{/is_warning}}"
+  type    = "metric alert"
+  message = "${coalesce(var.httpcode_target_4xx_message, var.message)}"
+
+  query = <<EOF
+    sum(last_5m): (
+      default(
+        avg:aws.applicationelb.httpcode_target_4xx{${data.template_file.filter.rendered}} by {region,loadbalancer}.as_count() /
+        (avg:aws.applicationelb.request_count{${data.template_file.filter.rendered}} by {region,loadbalancer}.as_count() + ${var.artificial_requests_count}),
+      0) * 100
+    ) > ${var.httpcode_target_4xx_threshold_critical}
+  EOF
+
+  evaluation_delay = "${var.delay}"
+  new_host_delay   = "${var.delay}"
+
+  thresholds {
+    critical = "${var.httpcode_target_4xx_threshold_critical}"
+    warning  = "${var.httpcode_target_4xx_threshold_warning}"
+  }
+
+  notify_no_data      = false
+  renotify_interval   = 0
+  require_full_window = false
+  timeout_h           = 0
+  include_tags        = true
+
+  silenced = "${var.httpcode_target_4xx_silenced}"
+
+  tags = ["env:${var.environment}", "resource:alb", "team:aws", "provider:aws"]
+}