Allow destination specific envifying

README.md

@@ -329,6 +329,8 @@ MYSQL_ROOT_PASSWORD=<%= `op read "op://Vault/My App/MYSQL_ROOT_PASSWORD" -n --se
 
 This template can safely be checked into git. Then everyone deploying the app can run `mrsk envify` when they setup the app for the first time or passwords change to get the correct `.env` file.
 
+If you need separate env variables for different destinations, you can set them with `.env.destination.erb` for the template, which will generate `.env.staging` when run with `mrsk envify -d staging`.
+
 ## Commands
 
 ### Running commands on servers

lib/mrsk/cli/main.rb

@@ -104,10 +104,14 @@ class Mrsk::Cli::Main < Mrsk::Cli::Base
     end
   end
 
-  desc "envify", "Create .env by evaluating .env.erb"
+  desc "envify", "Create .env by evaluating .env.erb (or .env.staging.erb -> .env.staging when using -d staging)"
   def envify
+    if destination = options[:destination]
+      File.write(".env.#{destination}", ERB.new(IO.read(Pathname.new(File.expand_path(".env.#{destination}.erb")))).result)
+    else
       File.write(".env", ERB.new(IO.read(Pathname.new(File.expand_path(".env.erb")))).result)
     end
+  end
 
   desc "remove", "Remove Traefik, app, and registry session from servers"
   def remove