# ECS Provider Traefik can be configured to use Amazon ECS as a provider. ## Configuration ```toml ################################################################ # ECS Provider ################################################################ # Enable ECS Provider. [ecs] # ECS Clusters Name. # # Optional # Default: ["default"] # clusters = ["default"] # Enable watch ECS changes. # # Optional # Default: true # watch = true # Default base domain used for the frontend rules. # Can be overridden by setting the "traefik.domain" label. # # Optional # Default: "" # domain = "ecs.localhost" # Enable auto discover ECS clusters. # # Optional # Default: false # autoDiscoverClusters = false # Polling interval (in seconds). # # Optional # Default: 15 # refreshSeconds = 15 # Expose ECS services by default in Traefik. # # Optional # Default: true # exposedByDefault = false # Region to use when connecting to AWS. # # Optional # region = "us-east-1" # Access Key ID to use when connecting to AWS. # # Optional # accessKeyID = "abc" # Secret Access Key to use when connecting to AWS. # # Optional # secretAccessKey = "123" # Override default configuration template. # For advanced users :) # # Optional # # filename = "ecs.tmpl" # Override template version # For advanced users :) # # Optional # - "1": previous template version (must be used only with older custom templates, see "filename") # - "2": current template version (must be used to force template version when "filename" is used) # # templateVersion = 2 ``` If `accessKeyID`/`secretAccessKey` is not given credentials will be resolved in the following order: - From environment variables; `AWS_ACCESS_KEY_ID`, `AWS_SECRET_ACCESS_KEY`, and `AWS_SESSION_TOKEN`. - Shared credentials, determined by `AWS_PROFILE` and `AWS_SHARED_CREDENTIALS_FILE`, defaults to `default` and `~/.aws/credentials`. - EC2 instance role or ECS task role To enable constraints see [provider-specific constraints section](/configuration/commons/#provider-specific). ## Policy Traefik needs the following policy to read ECS information: ```json { "Version": "2012-10-17", "Statement": [ { "Sid": "TraefikECSReadAccess", "Effect": "Allow", "Action": [ "ecs:ListClusters", "ecs:DescribeClusters", "ecs:ListTasks", "ecs:DescribeTasks", "ecs:DescribeContainerInstances", "ecs:DescribeTaskDefinition", "ec2:DescribeInstances" ], "Resource": [ "*" ] } ] } ``` ## Labels: overriding default behavior Labels can be used on task containers to override default behavior: | Label | Description | |---------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | `traefik.domain` | Sets the default base domain for frontend rules. | | `traefik.enable=false` | Disables this container in Traefik. | | `traefik.port=80` | Overrides the default `port` value. Overrides `NetworkBindings` from Docker Container | | `traefik.protocol=https` | Overrides the default `http` protocol | | `traefik.weight=10` | Assigns this weight to the container | | `traefik.backend=foo` | Overrides the service name by `foo` in the generated name of the backend. | | `traefik.backend.buffering.maxRequestBodyBytes=0` | See [buffering](/configuration/commons/#buffering) section. | | `traefik.backend.buffering.maxResponseBodyBytes=0` | See [buffering](/configuration/commons/#buffering) section. | | `traefik.backend.buffering.memRequestBodyBytes=0` | See [buffering](/configuration/commons/#buffering) section. | | `traefik.backend.buffering.memResponseBodyBytes=0` | See [buffering](/configuration/commons/#buffering) section. | | `traefik.backend.buffering.retryExpression=EXPR` | See [buffering](/configuration/commons/#buffering) section. | | `traefik.backend.circuitbreaker.expression=EXPR` | Creates a [circuit breaker](/basics/#backends) to be used against the backend | | `traefik.backend.responseForwarding.flushInterval=10ms` | Defines the interval between two flushes when forwarding response from backend to client. | | `traefik.backend.healthcheck.path=/health` | Enables health check for the backend, hitting the container at `path`. | | `traefik.backend.healthcheck.interval=5s` | Defines the health check interval. (Default: 30s) | | `traefik.backend.healthcheck.timeout=3s` | Defines the health check request timeout. (Default: 5s) | | `traefik.backend.healthcheck.scheme=http` | Overrides the server URL scheme. | | `traefik.backend.healthcheck.port=8080` | Sets a different port for the health check. | | `traefik.backend.healthcheck.hostname=foobar.com` | Defines the health check hostname. | | `traefik.backend.healthcheck.headers=EXPR` | Defines the health check request headers
Format: HEADER:value||HEADER2:value2 | | `traefik.backend.loadbalancer.method=drr` | Overrides the default `wrr` load balancer algorithm | | `traefik.backend.loadbalancer.stickiness=true` | Enables backend sticky sessions | | `traefik.backend.loadbalancer.stickiness.cookieName=NAME` | Sets the cookie manually name for sticky sessions | | `traefik.backend.maxconn.amount=10` | Sets a maximum number of connections to the backend.
Must be used in conjunction with the below label to take effect. | | `traefik.backend.maxconn.extractorfunc=client.ip` | Sets the function to be used against the request to determine what to limit maximum connections to the backend by.
Must be used in conjunction with the above label to take effect. | | `traefik.frontend.auth.basic=EXPR` | Sets basic authentication to this frontend in CSV format: `User:Hash,User:Hash` (DEPRECATED). | | `traefik.frontend.auth.basic.removeHeader=true` | If set to `true`, removes the `Authorization` header. | | `traefik.frontend.auth.basic.users=EXPR` | Sets basic authentication to this frontend in CSV format: `User:Hash,User:Hash`. | | `traefik.frontend.auth.basic.usersFile=/path/.htpasswd` | Sets basic authentication with an external file; if users and usersFile are provided, both are merged, with external file contents having precedence. | | `traefik.frontend.auth.digest.removeHeader=true` | If set to `true`, removes the `Authorization` header. | | `traefik.frontend.auth.digest.users=EXPR` | Sets digest authentication to this frontend in CSV format: `User:Realm:Hash,User:Realm:Hash`. | | `traefik.frontend.auth.digest.usersFile=/path/.htdigest` | Sets digest authentication with an external file; if users and usersFile are provided, both are merged, with external file contents having precedence. | | `traefik.frontend.auth.forward.address=https://example.com` | Sets the URL of the authentication server. | | `traefik.frontend.auth.forward.authResponseHeaders=EXPR` | Sets the forward authentication authResponseHeaders in CSV format: `X-Auth-User,X-Auth-Header` | | `traefik.frontend.auth.forward.tls.ca=/path/ca.pem` | Sets the Certificate Authority (CA) for the TLS connection with the authentication server. | | `traefik.frontend.auth.forward.tls.caOptional=true` | Checks the certificates if present but do not force to be signed by a specified Certificate Authority (CA). | | `traefik.frontend.auth.forward.tls.cert=/path/server.pem` | Sets the Certificate for the TLS connection with the authentication server. | | `traefik.frontend.auth.forward.tls.insecureSkipVerify=true` | If set to true invalid SSL certificates are accepted. | | `traefik.frontend.auth.forward.tls.key=/path/server.key` | Sets the Certificate for the TLS connection with the authentication server. | | `traefik.frontend.auth.forward.trustForwardHeader=true` | Trusts X-Forwarded-* headers. | | `traefik.frontend.auth.headerField=X-WebAuth-User` | Sets the header used to pass the authenticated user to the application. | | `traefik.frontend.auth.removeHeader=true` | If set to true, removes the Authorization header. | | `traefik.frontend.passTLSClientCert.infos.notAfter=true` | Add the noAfter field in a escaped client infos in the `X-Forwarded-Ssl-Client-Cert-Infos` header. | | `traefik.frontend.passTLSClientCert.infos.notBefore=true` | Add the noBefore field in a escaped client infos in the `X-Forwarded-Ssl-Client-Cert-Infos` header. | | `traefik.frontend.passTLSClientCert.infos.sans=true` | Add the sans field in a escaped client infos in the `X-Forwarded-Ssl-Client-Cert-Infos` header. | | `traefik.frontend.passTLSClientCert.infos.subject.commonName=true` | Add the subject.commonName field in a escaped client infos in the `X-Forwarded-Ssl-Client-Cert-Infos` header. | | `traefik.frontend.passTLSClientCert.infos.subject.country=true` | Add the subject.country field in a escaped client infos in the `X-Forwarded-Ssl-Client-Cert-Infos` header. | | `traefik.frontend.passTLSClientCert.infos.subject.locality=true` | Add the subject.locality field in a escaped client infos in the `X-Forwarded-Ssl-Client-Cert-Infos` header. | | `traefik.frontend.passTLSClientCert.infos.subject.organization=true`| Add the subject.organization field in a escaped client infos in the `X-Forwarded-Ssl-Client-Cert-Infos` header. | | `traefik.frontend.passTLSClientCert.infos.subject.province=true` | Add the subject.province field in a escaped client infos in the `X-Forwarded-Ssl-Client-Cert-Infos` header. | | `traefik.frontend.passTLSClientCert.infos.subject.serialNumber=true`| Add the subject.serialNumber field in a escaped client infos in the `X-Forwarded-Ssl-Client-Cert-Infos` header. | | `traefik.frontend.passTLSClientCert.pem=true` | Pass the escaped pem in the `X-Forwarded-Ssl-Client-Cert` header. | | `traefik.frontend.entryPoints=http,https` | Assigns this frontend to entry points `http` and `https`.
Overrides `defaultEntryPoints` | | `traefik.frontend.errors..backend=NAME` | See [custom error pages](/configuration/commons/#custom-error-pages) section. | | `traefik.frontend.errors..query=PATH` | See [custom error pages](/configuration/commons/#custom-error-pages) section. | | `traefik.frontend.errors..status=RANGE` | See [custom error pages](/configuration/commons/#custom-error-pages) section. | | `traefik.frontend.passHostHeader=true` | Forwards client `Host` header to the backend. | | `traefik.frontend.passTLSCert=true` | Forwards TLS Client certificates to the backend. | | `traefik.frontend.priority=10` | Overrides default frontend priority | | `traefik.frontend.rateLimit.extractorFunc=EXP` | See [rate limiting](/configuration/commons/#rate-limiting) section. | | `traefik.frontend.rateLimit.rateSet..period=6` | See [rate limiting](/configuration/commons/#rate-limiting) section. | | `traefik.frontend.rateLimit.rateSet..average=6` | See [rate limiting](/configuration/commons/#rate-limiting) section. | | `traefik.frontend.rateLimit.rateSet..burst=6` | See [rate limiting](/configuration/commons/#rate-limiting) section. | | `traefik.frontend.redirect.entryPoint=https` | Enables Redirect to another entryPoint to this frontend (e.g. HTTPS) | | `traefik.frontend.redirect.regex=^http://localhost/(.*)` | Redirects to another URL to this frontend.
Must be set with `traefik.frontend.redirect.replacement`. | | `traefik.frontend.redirect.replacement=http://mydomain/$1` | Redirects to another URL to this frontend.
Must be set with `traefik.frontend.redirect.regex`. | | `traefik.frontend.redirect.permanent=true` | Returns 301 instead of 302. | | `traefik.frontend.rule=EXPR` | Overrides the default frontend rule. Default: `Host:{instance_name}.{domain}`. | | `traefik.frontend.whiteList.sourceRange=RANGE` | Sets a list of IP-Ranges which are allowed to access.
An unset or empty list allows all Source-IPs to access. If one of the Net-Specifications are invalid, the whole list is invalid and allows all Source-IPs to access. | | `traefik.frontend.whiteList.ipStrategy=true` | Uses the default IPStrategy.
Can be used when there is an existing `clientIPStrategy` but you want the remote address for whitelisting. | | `traefik.frontend.whiteList.ipStrategy.depth=5` | See [whitelist](/configuration/entrypoints/#white-listing) | | `traefik.frontend.whiteList.ipStrategy.excludedIPs=127.0.0.1` | See [whitelist](/configuration/entrypoints/#white-listing) | ### Custom Headers | Label | Description | |-------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | `traefik.frontend.headers.customRequestHeaders=EXPR ` | Provides the container with custom request headers that will be appended to each request forwarded to the container.
Format: HEADER:value||HEADER2:value2 | | `traefik.frontend.headers.customResponseHeaders=EXPR` | Appends the headers to each response returned by the container, before forwarding the response to the client.
Format: HEADER:value||HEADER2:value2 | ### Security Headers | Label | Description | |----------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | `traefik.frontend.headers.allowedHosts=EXPR` | Provides a list of allowed hosts that requests will be processed.
Format: `Host1,Host2` | | `traefik.frontend.headers.browserXSSFilter=true` | Adds the X-XSS-Protection header with the value `1; mode=block`. | | `traefik.frontend.headers.contentSecurityPolicy=VALUE` | Adds CSP Header with the custom value. | | `traefik.frontend.headers.contentTypeNosniff=true` | Adds the `X-Content-Type-Options` header with the value `nosniff`. | | `traefik.frontend.headers.customBrowserXSSValue=VALUE` | Set custom value for X-XSS-Protection header. This overrides the BrowserXssFilter option. | | `traefik.frontend.headers.customFrameOptionsValue=VALUE` | Overrides the `X-Frame-Options` header with the custom value. | | `traefik.frontend.headers.forceSTSHeader=false` | Adds the STS header to non-SSL requests. | | `traefik.frontend.headers.frameDeny=false` | Adds the `X-Frame-Options` header with the value of `DENY`. | | `traefik.frontend.headers.hostsProxyHeaders=EXPR ` | Provides a list of headers that the proxied hostname may be stored.
Format: `HEADER1,HEADER2` | | `traefik.frontend.headers.publicKey=VALUE` | Adds HPKP header. | | `traefik.frontend.headers.referrerPolicy=VALUE` | Adds referrer policy header. | | `traefik.frontend.headers.isDevelopment=false` | This will cause the `AllowedHosts`, `SSLRedirect`, and `STSSeconds`/`STSIncludeSubdomains` options to be ignored during development.
When deploying to production, be sure to set this to false. | | `traefik.frontend.headers.SSLRedirect=true` | Forces the frontend to redirect to SSL if a non-SSL request is sent. | | `traefik.frontend.headers.SSLTemporaryRedirect=true` | Forces the frontend to redirect to SSL if a non-SSL request is sent, but by sending a 302 instead of a 301. | | `traefik.frontend.headers.SSLHost=HOST` | This setting configures the hostname that redirects will be based on. Default is "", which is the same host as the request. | | `traefik.frontend.headers.SSLForceHost=true` | If `SSLForceHost` is `true` and `SSLHost` is set, requests will be forced to use `SSLHost` even the ones that are already using SSL. Default is false. | | `traefik.frontend.headers.SSLProxyHeaders=EXPR` | Header combinations that would signify a proper SSL Request (Such as `X-Forwarded-For:https`).
Format: HEADER:value||HEADER2:value2 | | `traefik.frontend.headers.STSSeconds=315360000` | Sets the max-age of the STS header. | | `traefik.frontend.headers.STSIncludeSubdomains=true` | Adds the `IncludeSubdomains` section of the STS header. | | `traefik.frontend.headers.STSPreload=true` | Adds the preload flag to the STS header. | ### Containers with Multiple Ports (segment labels) Segment labels are used to define routes to an application exposing multiple ports. A segment is a group of labels that apply to a port exposed by an application. You can define as many segments as ports exposed in an application. Segment labels override the default behavior. | Label | Description | |-------------------------------------------------------------------------------------|-------------------------------------------------------------------------| | `traefik..backend=BACKEND` | Same as `traefik.backend` | | `traefik..domain=DOMAIN` | Same as `traefik.domain` | | `traefik..port=PORT` | Same as `traefik.port` | | `traefik..protocol=http` | Same as `traefik.protocol` | | `traefik..weight=10` | Same as `traefik.weight` | | `traefik..frontend.auth.basic=EXPR` | Same as `traefik.frontend.auth.basic` | | `traefik..frontend.auth.basic.removeHeader=true` | Same as `traefik.frontend.auth.basic.removeHeader` | | `traefik..frontend.auth.basic.users=EXPR` | Same as `traefik.frontend.auth.basic.users` | | `traefik..frontend.auth.basic.usersFile=/path/.htpasswd` | Same as `traefik.frontend.auth.basic.usersFile` | | `traefik..frontend.auth.digest.removeHeader=true` | Same as `traefik.frontend.auth.digest.removeHeader` | | `traefik..frontend.auth.digest.users=EXPR` | Same as `traefik.frontend.auth.digest.users` | | `traefik..frontend.auth.digest.usersFile=/path/.htdigest` | Same as `traefik.frontend.auth.digest.usersFile` | | `traefik..frontend.auth.forward.address=https://example.com` | Same as `traefik.frontend.auth.forward.address` | | `traefik..frontend.auth.forward.authResponseHeaders=EXPR` | Same as `traefik.frontend.auth.forward.authResponseHeaders` | | `traefik..frontend.auth.forward.tls.ca=/path/ca.pem` | Same as `traefik.frontend.auth.forward.tls.ca` | | `traefik..frontend.auth.forward.tls.caOptional=true` | Same as `traefik.frontend.auth.forward.tls.caOptional` | | `traefik..frontend.auth.forward.tls.cert=/path/server.pem` | Same as `traefik.frontend.auth.forward.tls.cert` | | `traefik..frontend.auth.forward.tls.insecureSkipVerify=true` | Same as `traefik.frontend.auth.forward.tls.insecureSkipVerify` | | `traefik..frontend.auth.forward.tls.key=/path/server.key` | Same as `traefik.frontend.auth.forward.tls.key` | | `traefik..frontend.auth.forward.trustForwardHeader=true` | Same as `traefik.frontend.auth.forward.trustForwardHeader` | | `traefik..frontend.auth.headerField=X-WebAuth-User` | Same as `traefik.frontend.auth.headerField` | | `traefik..frontend.auth.removeHeader=true` | Same as `traefik.frontend.auth.removeHeader` | | `traefik..frontend.entryPoints=https` | Same as `traefik.frontend.entryPoints` | | `traefik..frontend.errors..backend=NAME` | Same as `traefik.frontend.errors..backend` | | `traefik..frontend.errors..query=PATH` | Same as `traefik.frontend.errors..query` | | `traefik..frontend.errors..status=RANGE` | Same as `traefik.frontend.errors..status` | | `traefik..frontend.passHostHeader=true` | Same as `traefik.frontend.passHostHeader` | | `traefik..frontend.passTLSClientCert.infos.notAfter=true` | Same as `traefik.frontend.passTLSClientCert.infos.notAfter` | | `traefik..frontend.passTLSClientCert.infos.notBefore=true` | Same as `traefik.frontend.passTLSClientCert.infos.notBefore` | | `traefik..frontend.passTLSClientCert.infos.sans=true` | Same as `traefik.frontend.passTLSClientCert.infos.sans` | | `traefik..frontend.passTLSClientCert.infos.subject.commonName=true` | Same as `traefik.frontend.passTLSClientCert.infos.subject.commonName` | | `traefik..frontend.passTLSClientCert.infos.subject.country=true` | Same as `traefik.frontend.passTLSClientCert.infos.subject.country` | | `traefik..frontend.passTLSClientCert.infos.subject.locality=true` | Same as `traefik.frontend.passTLSClientCert.infos.subject.locality` | | `traefik..frontend.passTLSClientCert.infos.subject.organization=true` | Same as `traefik.frontend.passTLSClientCert.infos.subject.organization` | | `traefik..frontend.passTLSClientCert.infos.subject.province=true` | Same as `traefik.frontend.passTLSClientCert.infos.subject.province` | | `traefik..frontend.passTLSClientCert.infos.subject.serialNumber=true` | Same as `traefik.frontend.passTLSClientCert.infos.subject.serialNumber` | | `traefik..frontend.passTLSClientCert.pem=true` | Same as `traefik.frontend.passTLSClientCert.infos.pem` | | `traefik..frontend.passTLSCert=true` | Same as `traefik.frontend.passTLSCert` | | `traefik..frontend.priority=10` | Same as `traefik.frontend.priority` | | `traefik..frontend.rateLimit.extractorFunc=EXP` | Same as `traefik.frontend.rateLimit.extractorFunc` | | `traefik..frontend.rateLimit.rateSet..period=6` | Same as `traefik.frontend.rateLimit.rateSet..period` | | `traefik..frontend.rateLimit.rateSet..average=6` | Same as `traefik.frontend.rateLimit.rateSet..average` | | `traefik..frontend.rateLimit.rateSet..burst=6` | Same as `traefik.frontend.rateLimit.rateSet..burst` | | `traefik..frontend.redirect.entryPoint=https` | Same as `traefik.frontend.redirect.entryPoint` | | `traefik..frontend.redirect.regex=^http://localhost/(.*)` | Same as `traefik.frontend.redirect.regex` | | `traefik..frontend.redirect.replacement=http://mydomain/$1` | Same as `traefik.frontend.redirect.replacement` | | `traefik..frontend.redirect.permanent=true` | Same as `traefik.frontend.redirect.permanent` | | `traefik..frontend.rule=EXP` | Same as `traefik.frontend.rule` | | `traefik..frontend.whiteList.sourceRange=RANGE` | Same as `traefik.frontend.whiteList.sourceRange` | | `traefik..frontend.whiteList.useXForwardedFor=true` | Same as `traefik.frontend.whiteList.useXForwardedFor` | | `traefik..frontend.whiteList.ipStrategy=true` | Same as `traefik.frontend.whiteList.ipStrategy` | | `traefik..frontend.whiteList.ipStrategy.depth=5` | Same as `traefik.frontend.whiteList.ipStrategy.depth` | | `traefik..frontend.whiteList.ipStrategy.excludedIPs=127.0.0.1` | Same as `traefik.frontend.whiteList.ipStrategy.excludedIPs` | #### Custom Headers | Label | Description | |----------------------------------------------------------------------|----------------------------------------------------------| | `traefik..frontend.headers.customRequestHeaders=EXPR ` | Same as `traefik.frontend.headers.customRequestHeaders` | | `traefik..frontend.headers.customResponseHeaders=EXPR` | Same as `traefik.frontend.headers.customResponseHeaders` | #### Security Headers | Label | Description | |-------------------------------------------------------------------------|--------------------------------------------------------------| | `traefik..frontend.headers.allowedHosts=EXPR` | Same as `traefik.frontend.headers.allowedHosts` | | `traefik..frontend.headers.browserXSSFilter=true` | Same as `traefik.frontend.headers.browserXSSFilter` | | `traefik..frontend.headers.contentSecurityPolicy=VALUE` | Same as `traefik.frontend.headers.contentSecurityPolicy` | | `traefik..frontend.headers.contentTypeNosniff=true` | Same as `traefik.frontend.headers.contentTypeNosniff` | | `traefik..frontend.headers.customBrowserXSSValue=VALUE` | Same as `traefik.frontend.headers.customBrowserXSSValue` | | `traefik..frontend.headers.customFrameOptionsValue=VALUE` | Same as `traefik.frontend.headers.customFrameOptionsValue` | | `traefik..frontend.headers.forceSTSHeader=false` | Same as `traefik.frontend.headers.forceSTSHeader` | | `traefik..frontend.headers.frameDeny=false` | Same as `traefik.frontend.headers.frameDeny` | | `traefik..frontend.headers.hostsProxyHeaders=EXPR` | Same as `traefik.frontend.headers.hostsProxyHeaders` | | `traefik..frontend.headers.isDevelopment=false` | Same as `traefik.frontend.headers.isDevelopment` | | `traefik..frontend.headers.publicKey=VALUE` | Same as `traefik.frontend.headers.publicKey` | | `traefik..frontend.headers.referrerPolicy=VALUE` | Same as `traefik.frontend.headers.referrerPolicy` | | `traefik..frontend.headers.SSLRedirect=true` | Same as `traefik.frontend.headers.SSLRedirect` | | `traefik..frontend.headers.SSLTemporaryRedirect=true` | Same as `traefik.frontend.headers.SSLTemporaryRedirect` | | `traefik..frontend.headers.SSLHost=HOST` | Same as `traefik.frontend.headers.SSLHost` | | `traefik..frontend.headers.SSLForceHost=true` | Same as `traefik.frontend.headers.SSLForceHost` | | `traefik..frontend.headers.SSLProxyHeaders=EXPR` | Same as `traefik.frontend.headers.SSLProxyHeaders=EXPR` | | `traefik..frontend.headers.STSSeconds=315360000` | Same as `traefik.frontend.headers.STSSeconds=315360000` | | `traefik..frontend.headers.STSIncludeSubdomains=true` | Same as `traefik.frontend.headers.STSIncludeSubdomains=true` | | `traefik..frontend.headers.STSPreload=true` | Same as `traefik.frontend.headers.STSPreload=true` |