javascript - env-cmd error failed to locate ./.env file in gatsby?

Question

I have a file name .env.development in the root folder. I had install env-cmd as dev dependencies
when I start the server

  > npm run develop

its give me an error

> gatsby-starter-hello-world@0.1.0 develop I:learngatsby
> env-cmd .env-development gatsby develop

(node:1368) UnhandledPromiseRejectionWarning: Error: Unable to locate env file at default location (./.env)
at I:learngatsby
ode_modulesenv-cmddistget-env-vars.js:44:19
at Generator.throw (<anonymous>)
at rejected (I:learngatsby
ode_modulesenv-cmddistget-env-vars.js:5:65)
at process._tickCallback (internal/process/next_tick.js:68:7)
at Function.Module.runMain (internal/modules/cjs/loader.js:757:11)
at startup (internal/bootstrap/node.js:283:19)
at bootstrapNodeJSCore (internal/bootstrap/node.js:622:3)

(node:1368) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 2)
(node:1368) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

Answer 1

You can set environment variable using your own custom .env files with -f flag with env-cmd. Use this command to set env variables that are defined in custom file './config/myvar.env'.

env-cmd -f ./config/myvar.env

For more information use this link