Envlet
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Envlet for Go

envlet.Inject sets the process environment from one token. Then os.Getenv, like always.

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Inject
package main

import (
    "context"
    "log"
    "os"

    "github.com/selcor/envlet-go"
)

func main() {
    if err := envlet.Inject(context.Background()); err != nil {
        log.Fatal(err)
    }

    stripe.Key = os.Getenv("STRIPE_KEY")
}
Load
values, err := envlet.Load(context.Background())
if err != nil {
    return err
}

db, err := sql.Open("postgres", values["DATABASE_URL"])
Get
stripeKey, err := envlet.Get(context.Background(), "STRIPE_KEY")
if err != nil {
    return err
}
Install
go get github.com/selcor/envlet-go@v0.1.0

Set up

  1. 01

    Install

    go get github.com/selcor/envlet-go@v0.1.0.

  2. 02

    Set one secret

    ENVLET_TOKEN in the environment of the binary.

  3. 03

    Inject in main

    Call envlet.Inject(ctx) first thing in main.

Questions

Will my app start if Envlet is down?
No, and that is the point. The SDK retries for a few seconds, then fails so you notice. It never starts your app with half an environment.
What does the host need?
One variable, ENVLET_TOKEN. Everything else arrives at boot.
Can I still set some values on the Go host?
Yes. A value the host already set wins. Pass override if you want Envlet to win instead.

Also for

Stop pasting .env files.

One command. The right values for whoever runs it.

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