# AwsEcsTaskDefinitionContainerDefinitionsDetails A container definition that describes a container in the task. ## Contents ** Command ** The command that is passed to the container. Type: Array of strings Pattern: `.*\S.*` Required: No ** Cpu ** The number of CPU units reserved for the container. Type: Integer Required: No ** DependsOn ** The dependencies that are defined for container startup and shutdown. Type: Array of [AwsEcsTaskDefinitionContainerDefinitionsDependsOnDetails](API_AwsEcsTaskDefinitionContainerDefinitionsDependsOnDetails.md) objects Required: No ** DisableNetworking ** Whether to disable networking within the container. Type: Boolean Required: No ** DnsSearchDomains ** A list of DNS search domains that are presented to the container. Type: Array of strings Pattern: `.*\S.*` Required: No ** DnsServers ** A list of DNS servers that are presented to the container. Type: Array of strings Pattern: `.*\S.*` Required: No ** DockerLabels ** A key-value map of labels to add to the container. Type: String to string map Key Pattern: `.*\S.*` Value Pattern: `.*\S.*` Required: No ** DockerSecurityOptions ** A list of strings to provide custom labels for SELinux and AppArmor multi-level security systems. Type: Array of strings Pattern: `.*\S.*` Required: No ** EntryPoint ** The entry point that is passed to the container. Type: Array of strings Pattern: `.*\S.*` Required: No ** Environment ** The environment variables to pass to a container. Type: Array of [AwsEcsTaskDefinitionContainerDefinitionsEnvironmentDetails](API_AwsEcsTaskDefinitionContainerDefinitionsEnvironmentDetails.md) objects Required: No ** EnvironmentFiles ** A list of files containing the environment variables to pass to a container. Type: Array of [AwsEcsTaskDefinitionContainerDefinitionsEnvironmentFilesDetails](API_AwsEcsTaskDefinitionContainerDefinitionsEnvironmentFilesDetails.md) objects Required: No ** Essential ** Whether the container is essential. All tasks must have at least one essential container. Type: Boolean Required: No ** ExtraHosts ** A list of hostnames and IP address mappings to append to the **/etc/hosts** file on the container. Type: Array of [AwsEcsTaskDefinitionContainerDefinitionsExtraHostsDetails](API_AwsEcsTaskDefinitionContainerDefinitionsExtraHostsDetails.md) objects Required: No ** FirelensConfiguration ** The FireLens configuration for the container. Specifies and configures a log router for container logs. Type: [AwsEcsTaskDefinitionContainerDefinitionsFirelensConfigurationDetails](API_AwsEcsTaskDefinitionContainerDefinitionsFirelensConfigurationDetails.md) object Required: No ** HealthCheck ** The container health check command and associated configuration parameters for the container. Type: [AwsEcsTaskDefinitionContainerDefinitionsHealthCheckDetails](API_AwsEcsTaskDefinitionContainerDefinitionsHealthCheckDetails.md) object Required: No ** Hostname ** The hostname to use for the container. Type: String Pattern: `.*\S.*` Required: No ** Image ** The image used to start the container. Type: String Pattern: `.*\S.*` Required: No ** Interactive ** If set to true, then containerized applications can be deployed that require `stdin` or a `tty` to be allocated. Type: Boolean Required: No ** Links ** A list of links for the container in the form ` container_name:alias `. Allows containers to communicate with each other without the need for port mappings. Type: Array of strings Pattern: `.*\S.*` Required: No ** LinuxParameters ** Linux-specific modifications that are applied to the container, such as Linux kernel capabilities. Type: [AwsEcsTaskDefinitionContainerDefinitionsLinuxParametersDetails](API_AwsEcsTaskDefinitionContainerDefinitionsLinuxParametersDetails.md) object Required: No ** LogConfiguration ** The log configuration specification for the container. Type: [AwsEcsTaskDefinitionContainerDefinitionsLogConfigurationDetails](API_AwsEcsTaskDefinitionContainerDefinitionsLogConfigurationDetails.md) object Required: No ** Memory ** The amount (in MiB) of memory to present to the container. If the container attempts to exceed the memory specified here, the container is shut down. The total amount of memory reserved for all containers within a task must be lower than the task memory value, if one is specified. Type: Integer Required: No ** MemoryReservation ** The soft limit (in MiB) of memory to reserve for the container. Type: Integer Required: No ** MountPoints ** The mount points for the data volumes in the container. Type: Array of [AwsEcsTaskDefinitionContainerDefinitionsMountPointsDetails](API_AwsEcsTaskDefinitionContainerDefinitionsMountPointsDetails.md) objects Required: No ** Name ** The name of the container. Type: String Pattern: `.*\S.*` Required: No ** PortMappings ** The list of port mappings for the container. Type: Array of [AwsEcsTaskDefinitionContainerDefinitionsPortMappingsDetails](API_AwsEcsTaskDefinitionContainerDefinitionsPortMappingsDetails.md) objects Required: No ** Privileged ** Whether the container is given elevated privileges on the host container instance. The elevated privileges are similar to the root user. Type: Boolean Required: No ** PseudoTerminal ** Whether to allocate a TTY to the container. Type: Boolean Required: No ** ReadonlyRootFilesystem ** Whether the container is given read-only access to its root file system. Type: Boolean Required: No ** RepositoryCredentials ** The private repository authentication credentials to use. Type: [AwsEcsTaskDefinitionContainerDefinitionsRepositoryCredentialsDetails](API_AwsEcsTaskDefinitionContainerDefinitionsRepositoryCredentialsDetails.md) object Required: No ** ResourceRequirements ** The type and amount of a resource to assign to a container. The only supported resource is a GPU. Type: Array of [AwsEcsTaskDefinitionContainerDefinitionsResourceRequirementsDetails](API_AwsEcsTaskDefinitionContainerDefinitionsResourceRequirementsDetails.md) objects Required: No ** Secrets ** The secrets to pass to the container. Type: Array of [AwsEcsTaskDefinitionContainerDefinitionsSecretsDetails](API_AwsEcsTaskDefinitionContainerDefinitionsSecretsDetails.md) objects Required: No ** StartTimeout ** The number of seconds to wait before giving up on resolving dependencies for a container. Type: Integer Required: No ** StopTimeout ** The number of seconds to wait before the container is stopped if it doesn't shut down normally on its own. Type: Integer Required: No ** SystemControls ** A list of namespaced kernel parameters to set in the container. Type: Array of [AwsEcsTaskDefinitionContainerDefinitionsSystemControlsDetails](API_AwsEcsTaskDefinitionContainerDefinitionsSystemControlsDetails.md) objects Required: No ** Ulimits ** A list of ulimits to set in the container. Type: Array of [AwsEcsTaskDefinitionContainerDefinitionsUlimitsDetails](API_AwsEcsTaskDefinitionContainerDefinitionsUlimitsDetails.md) objects Required: No ** User ** The user to use inside the container. The value can use one of the following formats. + ` user ` + ` user `:` group ` + ` uid ` + ` uid `:` gid ` + ` user `:` gid ` + ` uid `:` group ` Type: String Pattern: `.*\S.*` Required: No ** VolumesFrom ** Data volumes to mount from another container. Type: Array of [AwsEcsTaskDefinitionContainerDefinitionsVolumesFromDetails](API_AwsEcsTaskDefinitionContainerDefinitionsVolumesFromDetails.md) objects Required: No ** WorkingDirectory ** The working directory in which to run commands inside the container. Type: String Pattern: `.*\S.*` Required: No ## See Also For more information about using this API in one of the language-specific AWS SDKs, see the following: + [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/securityhub-2018-10-26/AwsEcsTaskDefinitionContainerDefinitionsDetails) + [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/securityhub-2018-10-26/AwsEcsTaskDefinitionContainerDefinitionsDetails) + [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/securityhub-2018-10-26/AwsEcsTaskDefinitionContainerDefinitionsDetails)