dotenv support

lib/templates/base/project/.gitignore

@@ -13,6 +13,7 @@ terraform.tfvars
 # Common ruby files
 *.gem
 *.rbc
+.env*
 .idea
 /.bundle
 /.config

lib/terraspace/booter.rb

@@ -1,6 +1,7 @@
 module Terraspace
   module Booter
     def boot
+      Dotenv.new.load!
       run_hooks
       Terraspace::Bundle.require # load plugins
       load_plugin_default_configs

lib/terraspace/dotenv.rb

@@ -0,0 +1,25 @@
+require 'dotenv'
+
+module Terraspace
+  class Dotenv
+    def load!
+      ::Dotenv.load(*files)
+    end
+
+    # dotenv files with the following precedence:
+    #
+    # - .env.dev.local - Highest precedence
+    # - .env.dev
+    # - .env.local
+    # - .env - Lowest precedence
+    #
+    def files
+      [
+        ".env.#{Terraspace.env}.local",
+        ".env.#{Terraspace.env}",
+        ".env.local",
+        ".env",
+      ].compact
+    end
+  end
+end

terraspace.gemspec

@@ -22,6 +22,7 @@ Gem::Specification.new do |spec|
   spec.add_dependency "bundler"
   spec.add_dependency "cli-format"
   spec.add_dependency "deep_merge"
+  spec.add_dependency "dotenv"
   spec.add_dependency "dsl_evaluator"
   spec.add_dependency "eventmachine-tail"
   spec.add_dependency "graph"