improve Taskfile

Taskfile.yaml

@@ -1,11 +1,13 @@
 # This taskfile handles building and deploying the petname-service
 version: '3'
 
+dotenv: ['.env']
+
 vars:
-  DEFAULT_PROJECT_ID: "infinite-deck-479516-g6"
-  REGION: "us-east4"
+  PROJECT_ID: '{{ .PROJECT_ID }}'
+  REGION: '{{ default "us-east4" .REGION }}'
+  DOMAIN: '{{ .DOMAIN }}'
   SERVICE_NAME: "petname"
-  DOMAIN: "proto-hype.net"
 
 tasks:
   login:
@@ -17,7 +19,7 @@ tasks:
       Example: task init
     cmds:
         - |
-          PROJECT_ID="${1:-{{ .DEFAULT_PROJECT_ID }}}"
+          PROJECT_ID="${1:-{{ .PROJECT_ID }}}"
           gcloud auth login --update-adc
           gcloud config set project "$PROJECT_ID"
           gcloud config set compute/region {{ .REGION }}