Ironfunctions-ServerlessResearch

README

Get Start

1. docker build -f Dockerfile.2690 -t 2690 .

2. docker run -d --rm -it --name functions -v ${PWD}/data:/app/data -v /var/run/docker.sock:/var/run/docker.sock -p 8080:8080 2690

3. cd test-function

4. touch function.go

5. add code

Example

package main

import (
	"encoding/json"
	"fmt"
	"os"
)

type Person struct {
	Name string
}

func main() {
	p := &Person{Name: "World"}
	json.NewDecoder(os.Stdin).Decode(p)
	fmt.Printf("Hello %v!", p.Name)
}

1. Install CLI tools

For Linux

curl -LSs git.io/ironfn | sh

For macOS

brew install iron-functions

1. Init function with runtime

fn init --runtime go hello

1. Buld function - fn build is used to build the Docker image of the function

fn build

1. Create app - Create application, organization and management multiple functions

fn apps create myapp

1. Creates a route and maps the specified path to the newly created function

fn routes create myapp /hello

1. If update function.go, then build and update route again

fn build
fn routes update myapp /hello

1. Invoke function

curl http://localhost:8080/r/myapp/hello

1. Frontend Access

docker run -d --rm -it --link functions:api -p 4000:4000 -e "API_URL=http://api:8080" iron/functions-ui:0.0.2

Access http://localhost:4000/

Documentation

Overview

IronFunctions daemon

Refer to detailed documentation at https://github.com/iron-io/functions/tree/master/docs

Environment Variables: DB_URL The database URL to use in URL format. See [Databases](databases/README.md) for more information. Default: BoltDB in current working directory `bolt.db`.

MQ_URL The message queue to use in URL format. See [Message Queues](mqs/README.md) for more information. Default: BoltDB in current working directory `queue.db`.

API_URL The primary IronFunctions API URL to that this instance will talk to. In a production environment, this would be your load balancer URL.

PORT Sets the port to run on. Default: `8080`.

NUM_ASYNC The number of async runners in the functions process (default 1).

LOG_LEVEL Set to `DEBUG` to enable debugging. Default: INFO.