add GOOGLE_APPLICATION_CREDENTIALS to .envrc.example

Author: m99coder

.envrc.example

@@ -3,7 +3,7 @@ export AWS_ACCESS_KEY_ID=
 export AWS_SECRET_ACCESS_KEY=
 
 # GCP
-# is using `gcp.json`
+export GOOGLE_APPLICATION_CREDENTIALS="$(pwd)/gcp.json"
 
 # Azure
 # credentials are given after creating the service principal

README.md

@@ -35,7 +35,6 @@ You can also overwrite as follows
 ```shell
 # init, plan, and apply infrastructure
 # use `-target=module.gcp_us_central1` to target specific modules
-# use `export GOOGLE_APPLICATION_CREDENTIALS="./gcp.json"` to specify GCP credentials file
 terraform init
 terraform plan
 terraform apply