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feat: add worker_beat container for Celery Beat scheduling #107

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b1ebfe5
feat: add worker_beat container for Celery Beat scheduling
Feb 27, 2026
e69bf39
Merge branch 'main' into feature/add-worker-beat-service-1772154205 -…
Mar 3, 2026
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44 changes: 44 additions & 0 deletions lib/constructs/dify-services/api.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -270,6 +270,50 @@ export class ApiService extends Construct {
},
});

taskDefinition.addContainer('WorkerBeat', {
image: customRepository
? ecs.ContainerImage.fromEcrRepository(customRepository, `dify-api_${props.imageTag}`)
: ecs.ContainerImage.fromRegistry(`langgenius/dify-api:${props.imageTag}`),
environment: {
MODE: 'beat',
LOG_LEVEL: debug ? 'DEBUG' : 'ERROR',
DEBUG: debug ? 'true' : 'false',

// Enable pessimistic disconnect handling for recover from Aurora automatic pause
SQLALCHEMY_POOL_PRE_PING: 'True',

// The configurations of redis connection.
REDIS_HOST: redis.endpoint,
REDIS_PORT: redis.port.toString(),
REDIS_USE_SSL: 'true',
REDIS_DB: '0',

// The type of storage to use for storing user files.
STORAGE_TYPE: 's3',
S3_BUCKET_NAME: storageBucket.bucketName,
S3_REGION: Stack.of(storageBucket).region,
S3_USE_AWS_MANAGED_IAM: 'true',

DB_DATABASE: postgres.databaseName,

...getAdditionalEnvironmentVariables(this, 'worker_beat', props.additionalEnvironmentVariables),
},
logging: ecs.LogDriver.awsLogs({
streamPrefix: 'log',
}),
secrets: {
DB_USERNAME: ecs.Secret.fromSecretsManager(postgres.secret, 'username'),
DB_HOST: ecs.Secret.fromSecretsManager(postgres.secret, 'host'),
DB_PORT: ecs.Secret.fromSecretsManager(postgres.secret, 'port'),
DB_PASSWORD: ecs.Secret.fromSecretsManager(postgres.secret, 'password'),
REDIS_PASSWORD: ecs.Secret.fromSecretsManager(redis.secret),
CELERY_BROKER_URL: ecs.Secret.fromSsmParameter(redis.brokerUrl),
SECRET_KEY: ecs.Secret.fromSecretsManager(encryptionSecret),

...getAdditionalSecretVariables(this, 'worker_beat', props.additionalEnvironmentVariables),
},
});

const sandboxFileContainer = taskDefinition.addContainer('SandboxFileMount', {
image: ecs.ContainerImage.fromAsset(join(__dirname, 'docker', 'sandbox'), {
platform: Platform.LINUX_AMD64,
Expand Down
2 changes: 1 addition & 1 deletion lib/environment-props.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -182,4 +182,4 @@ export interface EnvironmentProps {
setupEmail?: boolean;
}

export type DifyContainerTypes = 'web' | 'api' | 'worker' | 'sandbox';
export type DifyContainerTypes = 'web' | 'api' | 'worker' | 'worker_beat' | 'sandbox';
182 changes: 182 additions & 0 deletions test/__snapshots__/dify-on-aws-cf.test.ts.snap
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Expand Up @@ -2051,6 +2051,170 @@ exports[`Snapshot test (with CloudFront) 2`] = `
},
],
},
{
"Environment": [
{
"Name": "MODE",
"Value": "beat",
},
{
"Name": "LOG_LEVEL",
"Value": "ERROR",
},
{
"Name": "DEBUG",
"Value": "false",
},
{
"Name": "SQLALCHEMY_POOL_PRE_PING",
"Value": "True",
},
{
"Name": "REDIS_HOST",
"Value": {
"Fn::GetAtt": [
"RedisFF642DF2",
"PrimaryEndPoint.Address",
],
},
},
{
"Name": "REDIS_PORT",
"Value": "6379",
},
{
"Name": "REDIS_USE_SSL",
"Value": "true",
},
{
"Name": "REDIS_DB",
"Value": "0",
},
{
"Name": "STORAGE_TYPE",
"Value": "s3",
},
{
"Name": "S3_BUCKET_NAME",
"Value": {
"Ref": "StorageBucket19DB2FF8",
},
},
{
"Name": "S3_REGION",
"Value": "us-west-2",
},
{
"Name": "S3_USE_AWS_MANAGED_IAM",
"Value": "true",
},
{
"Name": "DB_DATABASE",
"Value": "main",
},
],
"Essential": true,
"Image": "langgenius/dify-api:latest",
"LogConfiguration": {
"LogDriver": "awslogs",
"Options": {
"awslogs-group": {
"Ref": "ApiServiceTaskWorkerBeatLogGroup5578F6B1",
},
"awslogs-region": "us-west-2",
"awslogs-stream-prefix": "log",
},
},
"Name": "WorkerBeat",
"Secrets": [
{
"Name": "DB_USERNAME",
"ValueFrom": {
"Fn::Join": [
"",
[
{
"Ref": "PostgresClusterSecretAttachment8DDCF2A8",
},
":username::",
],
],
},
},
{
"Name": "DB_HOST",
"ValueFrom": {
"Fn::Join": [
"",
[
{
"Ref": "PostgresClusterSecretAttachment8DDCF2A8",
},
":host::",
],
],
},
},
{
"Name": "DB_PORT",
"ValueFrom": {
"Fn::Join": [
"",
[
{
"Ref": "PostgresClusterSecretAttachment8DDCF2A8",
},
":port::",
],
],
},
},
{
"Name": "DB_PASSWORD",
"ValueFrom": {
"Fn::Join": [
"",
[
{
"Ref": "PostgresClusterSecretAttachment8DDCF2A8",
},
":password::",
],
],
},
},
{
"Name": "REDIS_PASSWORD",
"ValueFrom": {
"Ref": "RedisAuthToken9E34F6A5",
},
},
{
"Name": "CELERY_BROKER_URL",
"ValueFrom": {
"Fn::Join": [
"",
[
"arn:",
{
"Ref": "AWS::Partition",
},
":ssm:us-west-2:123456789012:parameter/",
{
"Ref": "RedisBrokerUrlA8582E06",
},
],
],
},
},
{
"Name": "SECRET_KEY",
"ValueFrom": {
"Ref": "ApiServiceEncryptionSecretF73F9ECD",
},
},
],
},
{
"Essential": false,
"Image": {
Expand Down Expand Up @@ -2583,6 +2747,19 @@ exports[`Snapshot test (with CloudFront) 2`] = `
],
},
},
{
"Action": [
"logs:CreateLogStream",
"logs:PutLogEvents",
],
"Effect": "Allow",
"Resource": {
"Fn::GetAtt": [
"ApiServiceTaskWorkerBeatLogGroup5578F6B1",
"Arn",
],
},
},
{
"Action": [
"ecr:BatchCheckLayerAvailability",
Expand Down Expand Up @@ -2803,6 +2980,11 @@ exports[`Snapshot test (with CloudFront) 2`] = `
},
"Type": "AWS::IAM::Policy",
},
"ApiServiceTaskWorkerBeatLogGroup5578F6B1": {
"DeletionPolicy": "Retain",
"Type": "AWS::Logs::LogGroup",
"UpdateReplacePolicy": "Retain",
},
"ApiServiceTaskWorkerLogGroup48EED12F": {
"DeletionPolicy": "Retain",
"Type": "AWS::Logs::LogGroup",
Expand Down
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