Turn anything into a serverless function.. Docker ready!

jerverless is a serverless runner which will execute anything (binaries, commands or your scripts) as a serverless function. It simply pipes http POST data into STDIN of any executable vice versa.

How it works!

See more info,

• A friendly introduction to Serverless Architecture and Why we built jerverless?

Example functions

• Bash
• Python
• Java
• Ballerina
• C
• C++
• Node
• Go
• Ruby
• Rust
• php
• powershell

How to create functions?

On Machine (or VM)

1. Download Jerverless and extract the archive

2. Create jerverless.yml

# use port 8080
port: 8080
# enable CORS for the server
cors: '*'
# Define your routes
routes:
  # a sample route with
  - endpoint: /foo # endpoint /foo
    command: python test.py # command to run
    contentType: text/html # set content type
    
  - endpoint: /bar #endpoint /bar
    command: python test.py --bar # command with an argument
    contentType: text/html # set your content type
    cors: 'xyz.com' # override cors for this specific route

3. Create your program (eg:- helloworld.py)

We are using python2.7 in example

name = raw_input()
print "Hello %s!" % name

4. Start server!

 $ bin/jerverless

or if you are on windows

 $ bin\jerverless.bat

5. Test it!

 $ curl -d Jerverless http://localhost:8080/foo

Or simply use template and jump to last step!

Docker

1. On your local machine, clone this repo and go to an examples directory of choice (eg: python):

 $ git clone https://github.com/jerverless/jerverless.git
 $ cd jerverless/examples/python

2. Create the docker image:

 $ docker build --no-cache -t jerverless-py .

3. Run the app:

 $ docker run -it -p 8080:8080 jerverless-py

4. Navigate to 'https://localhost:8080/function' in your browser.

Kubernetes

1. Create docker image for your function and push to dockerhub

2. Add docker image name to .yml deployment

Project Status

• [x] Initial work (Structure, basic server with runner)
• [x] Multithreaded server mode
• [ ] Unit cases
• [x] CLI commands
• [x] Basic Samples
• [x] Docs
• [x] Beta Release!

Developer Guide

Requirements

• JDK 1.8

Getting started

Clone the repository in your local directory

 $ git clone <forked_url>

We are using gradle as the build tool. This command will download and install gradle, then it will build the jar file.

Windows users may use .\gradlew instead of ./gradlew It applies to all bash commands listed below.

 $ ./gradlew assemble

The resulted jar file can be found in build/libs

 $ java -jar build/libs/jerverless-1.0.0.jar

Or run

 $ ./gradlew assembleDist

This will create distributions of jerverless, you can find them in build/distributions/

To install this distribution in a path you desired try out

 $ ./gradlew installDist

By default it will be installed in build/install/jerverless

To run the distribution, try

 $ build/install/jerverless/bin/jerverless

Become a committer

Submit a pull request or raise 3 helpful issues to join jerverless Team!