Fission

# Add the stock NodeJS env to your Fission deployment
$ fission env create --name nodejs --image ghcr.io/fission/node-env

# A javascript function that prints "hello world"
$ curl -LO https://raw.githubusercontent.com/fission/examples/main/nodejs/hello.js

# Upload your function code to fission
$ fission function create --name hello-js --env nodejs --code hello.js

# Test your function.  This takes about 100msec the first time.
$ fission function test --name hello-js
Hello, world!

# Add the stock Python env to your Fission deployment
$ fission env create --name python --image ghcr.io/fission/python-env

# A Python function that prints "hello world"
$ curl -LO https://raw.githubusercontent.com/fission/examples/main/python/hello.py

# Upload your function code to fission
$ fission function create --name hello-py --env python --code hello.py

# Test your function.  This takes about 100msec the first time.
$ fission function test --name hello-py
Hello, world!

# Add the stock Go env to your Fission deployment
$ fission env create --name go --image ghcr.io/fission/go-env-1.23 --builder ghcr.io/fission/go-builder-1.23

# A Go function that prints "hello world"
$ curl -LO https://raw.githubusercontent.com/fission/examples/main/go/hello-world/hello.go

# Upload your function code to fission
$ fission function create --name hello-go --env go --src hello.go --entrypoint Handler

# Wait for your source code to be built, package status should be succeeded. This may take a few minutes.
$ fission pkg list | grep hello-go
hello-go-8bb933b5-b12b-499b-a951-ee2245c8f1b5 succeeded    go     23 Nov 21 10:55 IST

# Test your function. This takes about 100msec the first time.
$ fission function test --name hello-go
Hello, world!

# Add the stock Java env to your Fission deployment
$ fission environment create --name java --image ghcr.io/fission/jvm-env --builder ghcr.io/fission/jvm-builder --keeparchive --version 3

# A Java function that prints "hello world"
$ mkdir -p src/main/java/io/fission/
$ curl -L https://raw.githubusercontent.com/fission/examples/main/java/hello-world/src/main/java/io/fission/HelloWorld.java \
  -o src/main/java/io/fission/HelloWorld.java
# pom.xml contains dependencies for the function.
$ curl -LO https://raw.githubusercontent.com/fission/environments/master/jvm/examples/java/pom.xml

# Upload your function code to fission via zip
$ zip java-src-pkg.zip -r src/ pom.xml
$ fission package create --name hello-pkg --env java --src java-src-pkg.zip
Package 'hello-pkg' created

# Wait for your source code to be built, package status should be succeeded. This may take a few minutes.
$ fission pkg list | grep hello-pkg
hello-pkg                                     succeeded    java   23 Nov 21 11:19 IST

# Test your function. This takes about 100msec the first time.
$ fission function create --name hello-java --env java --pkg hello-pkg --entrypoint io.fission.HelloWorld
$ fission function test --name hello-java
Hello World!