terraform-aws-ecs-container-definition

Terraform module to generate well-formed JSON documents that are passed to the aws_ecs_task_definition Terraform resource as container definitions.

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Usage

IMPORTANT: The master branch is used in source just as an example. In your code, do not pin to master because there may be breaking changes between releases. Instead pin to the release tag (e.g. ?ref=tags/x.y.z) of one of our latest releases.

This module is meant to be used as output only, meaning it will be used to create outputs which are consumed as a parameter by Terraform resources or other modules.

For complete examples, see

Makefile Targets

Available targets:

  help                                Help screen
  help/all                            Display help for all targets
  help/short                          This help short screen
  lint                                Lint terraform code

Inputs

Name	Description	Type	Default	Required
command	The command that is passed to the container	list	`<list>`	no
container_cpu	The number of cpu units to reserve for the container. This is optional for tasks using Fargate launch type and the total amount of container_cpu of all containers in a task will need to be lower than the task-level cpu value	string	`256`	no
container_image	The image used to start the container. Images in the Docker Hub registry available by default	string	-	yes
container_memory	The amount of memory (in MiB) to allow the container to use. This is a hard limit, if the container attempts to exceed the container_memory, the container is killed. This field is optional for Fargate launch type and the total amount of container_memory of all containers in a task will need to be lower than the task memory value	string	`256`	no
container_memory_reservation	The amount of memory (in MiB) to reserve for the container. If container needs to exceed this threshold, it can do so up to the set container_memory hard limit	string	`128`	no
container_name	The name of the container. Up to 255 characters ([a-z], [A-Z], [0-9], -, _ allowed)	string	-	yes
container_depends_on	The dependencies defined for container startup and shutdown. A container can contain multiple dependencies. When a dependency is defined for container startup, for container shutdown it is reversed	list	`<list>`	no
dns_servers	Container DNS servers. This is a list of strings specifying the IP addresses of the DNS servers.	list	`<list>`	no
entrypoint	The entry point that is passed to the container	list	`<list>`	no
environment	The environment variables to pass to the container. This is a list of maps	list	`<list>`	no
essential	Determines whether all other containers in a task are stopped, if this container fails or stops for any reason. Due to how Terraform type casts booleans in json it is required to double quote this value	string	`true`	no
healthcheck	A map containing command (string), interval (duration in seconds), retries (1-10, number of times to retry before marking container unhealthy, and startPeriod (0-300, optional grace period to wait, in seconds, before failed healthchecks count toward retries)	map	`<map>`	no
links	List of container names this container can communicate with without port mappings.	list	`<list>`	no
log_driver	The log driver to use for the container. If using Fargate launch type, only supported value is awslogs	string	`awslogs`	no
log_options	The configuration options to send to the `log_driver`	map	`<map>`	no
mount_points	Container mount points. This is a list of maps, where each map should contain a `containerPath` and `sourceVolume`	list	`<list>`	no
port_mappings	The port mappings to configure for the container. This is a list of maps. Each map should contain "containerPort", "hostPort", and "protocol", where "protocol" is one of "tcp" or "udp". If using containers in a task with the awsvpc or host network mode, the hostPort can either be left blank or set to the same value as the containerPort	list	`<list>`	no
readonly_root_filesystem	Determines whether a container is given read-only access to its root filesystem. Due to how Terraform type casts booleans in json it is required to double quote this value	string	`false`	no
repository_credentials	Container repository credentials; required when using a private repo. This map currently supports a single key; "credentialsParameter", which should be the ARN of a Secrets Manager's secret holding the credentials	map	`<map>`	no
secrets	The secrets to pass to the container. This is a list of maps	list	`<list>`	no
stop_timeout	Timeout in seconds between sending SIGTERM and SIGKILL to container	string	`30`	no
ulimits	Container ulimit settings. This is a list of maps, where each map should contain "name", "hardLimit" and "softLimit"	list	`<list>`	no
user	The user to run as inside the container. Can be any of these formats: user, user:group, uid, uid:gid, user:gid, uid:group	string	``	no
volumes_from	A list of VolumesFrom maps which contain "sourceContainer" (name of the container that has the volumes to mount) and "readOnly" (whether the container can write to the volume).	list	`<list>`	no
working_directory	The working directory to run commands inside the container	string	``	no

Outputs

Name	Description
json	JSON encoded container definitions for use with other terraform resources such as aws_ecs_task_definition.
json_map	JSON encoded container definitions for use with other terraform resources such as aws_ecs_task_definition.

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Related Projects

Check out these related projects.

terraform-aws-ecs-codepipeline - Terraform module for CI/CD with AWS Code Pipeline and Code Build for ECS
terraform-aws-ecs-events - Provides a standard set of ECS events that notify an SNS topic
terraform-aws-ecs-cloudwatch-autoscaling - Terraform module to autoscale ECS Service based on CloudWatch metrics
terraform-aws-ecs-container-definition - Terraform module to generate well-formed JSON documents (container definitions) that are passed to the aws_ecs_task_definition Terraform resource
terraform-aws-ecs-launch-template - Terraform module for generating an AWS Launch Template for ECS that handles draining on Spot Termination Requests
terraform-aws-ecs-web-app - Terraform module that implements a web app on ECS and supporting AWS resources
terraform-aws-ecs-spot-fleet - Terraform module to create a diversified spot fleet for ECS clusters
terraform-aws-ecs-cloudwatch-sns-alarms - Terraform module to create CloudWatch Alarms on ECS Service level metrics
terraform-aws-ecs-alb-service-task - Terraform module which implements an ECS service which exposes a web service via ALB

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Contributing

Bug Reports & Feature Requests

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Developing

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Copyright

License

See LICENSE for full details.

Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
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  https://www.apache.org/licenses/LICENSE-2.0

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Contributors

Erik Osterman	Sarkis Varozian	Andriy Knysh	Igor Rodionov

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