Learn FUNCTIONX with Real Code Examples

# functionx/demo/deployment.yaml
service: hello-world
provider: aws
runtime: nodejs14.x
functions:
    hello:
        handler: handler.hello
        events:
        - http:
        path: /hello
        method: get

A basic FunctionX YAML configuration for deploying a serverless function.

# functionx/demo/env.yaml
service: env-demo
provider: aws
runtime: nodejs14.x
env:
    STAGE: dev
    API_KEY: 12345
functions:
    envTest:
        handler: handler.envTest
        events:
        - http:
        path: /env
        method: get

FunctionX YAML configuration demonstrating environment variables for a function.

# functionx/demo/schedule.yaml
service: scheduler-demo
provider: aws
runtime: nodejs14.x
functions:
    scheduledTask:
        handler: handler.scheduledTask
        events:
        - schedule:
        cron: '0 12 * * ? *'

A FunctionX function triggered by a cron schedule.

# functionx/demo/multiple.yaml
service: multi-func-demo
provider: aws
runtime: nodejs14.x
functions:
    first:
        handler: handler.first
        events:
        - http:
        path: /first
        method: get
    second:
        handler: handler.second
        events:
        - http:
        path: /second
        method: post

YAML demonstrating multiple serverless functions in one service.

# functionx/demo/iam.yaml
service: iam-demo
provider: aws
runtime: nodejs14.x
functions:
    secureFunc:
        handler: handler.secureFunc
        role: arn:aws:iam::123456789012:role/customRole
        events:
        - http:
        path: /secure
        method: get

A FunctionX YAML configuration specifying a custom IAM role for a function.

# functionx/demo/vpc.yaml
service: vpc-demo
provider: aws
runtime: nodejs14.x
vpc:
    subnets:
        - subnet-12345678
        - subnet-87654321
    securityGroupIds:
        - sg-12345678
functions:
    vpcFunc:
        handler: handler.vpcFunc
        events:
        - http:
        path: /vpc
        method: get

A FunctionX YAML defining a function inside a VPC for secure network access.

# functionx/demo/s3trigger.yaml
service: s3-demo
provider: aws
runtime: nodejs14.x
functions:
    s3Upload:
        handler: handler.s3Upload
        events:
        - s3:
        bucket: my-upload-bucket
        event: s3:ObjectCreated:*

FunctionX YAML for a function triggered when an object is uploaded to an S3 bucket.

# functionx/demo/layer.yaml
service: layer-demo
provider: aws
runtime: nodejs14.x
layers:
    commonLibs:
        path: layers/commonLibs
functions:
    layerFunc:
        handler: handler.layerFunc
        layers:
        - { Ref: commonLibs }
        events:
        - http:
        path: /layer
        method: get

A FunctionX function using a Lambda layer for shared dependencies.

# functionx/demo/secrets.yaml
service: secrets-demo
provider: aws
runtime: nodejs14.x
functions:
    secretFunc:
        handler: handler.secretFunc
        env:
        DB_PASSWORD: {{resolve:secretsmanager:dbPassword:SecretString}}
        events:
        - http:
        path: /secret
        method: get

A FunctionX YAML showing secret environment variables from AWS Secrets Manager.

# functionx/demo/multi-triggers.yaml
service: multi-triggers-demo
provider: aws
runtime: nodejs14.x
functions:
    multiFunc:
        handler: handler.multiFunc
        events:
        - http:
        path: /multi
        method: post
        - s3:
        bucket: my-upload-bucket
        event: s3:ObjectCreated:*

A FunctionX YAML where a single function has HTTP and S3 triggers.