Oracle Functions Load Balance example using Caddy

Simple example of Oracle Functions load balancer using Caddy Server

Run Oracle Functions

Start the Oracle Functions instances

Ref: https://github.com/treeder/functions/blob/master/README.md#start-the-functions-api

Configure environment variable

Pass the host and port of Oracle Functions instances in environment variables, this example uses three Oracle Functions instances.

export LB_HOST01="172.17.0.1:8080"
export LB_HOST02="172.17.0.1:8081"
export LB_HOST03="172.17.0.1:8082"

Note: Caddy doesn't support multiple hosts in only one variable.

Run Caddy

docker run --rm  \
    -v $PWD/Caddyfile:/etc/Caddyfile  \
    -e LB_HOST01=$LB_HOST01 -e LB_HOST02=$LB_HOST02 -e LB_HOST03=$LB_HOST03 \
    -p 9000:9000  \
    abiosoft/caddy

Execute a function

Follow the Quick-Start steps replacing the example hosts by the Caddy host (localhost:9000)

https://github.com/treeder/functions/blob/master/README.md#quick-start

Docker Compose example

This is an additional example.

docker-compose up

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