Add fly for deployment

Gemfile

@@ -47,3 +47,5 @@ group :test do
 end
 
 gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
+
+gem "dockerfile-rails", ">= 1.5", :group => :development

Gemfile.lock

@@ -144,6 +144,8 @@ GEM
       responders
       warden (~> 1.2.3)
     diff-lcs (1.5.0)
+    dockerfile-rails (1.5.12)
+      rails (>= 3.0.0)
     dotenv (2.8.1)
     dotenv-rails (2.8.1)
       dotenv (= 2.8.1)
@@ -210,6 +212,8 @@ GEM
     nio4r (2.6.1)
     nokogiri (1.15.5-x86_64-darwin)
       racc (~> 1.4)
+    nokogiri (1.15.5-x86_64-linux)
+      racc (~> 1.4)
     orm_adapter (0.5.0)
     pg (1.5.4)
     pry (0.14.2)
@@ -320,6 +324,7 @@ GEM
 
 PLATFORMS
   x86_64-darwin-22
+  x86_64-linux
 
 DEPENDENCIES
   aws-sdk-s3
@@ -329,6 +334,7 @@ DEPENDENCIES
   cucumber-rails
   database_cleaner
   devise
+  dockerfile-rails (>= 1.5)
   dotenv-rails
   friendly_id (~> 5.4.0)
   image_processing (~> 1.2)

fly.toml

@@ -0,0 +1,22 @@
+# fly.toml app configuration file generated for image-hawk on 2023-11-29T14:31:37-06:00
+#
+# See https://fly.io/docs/reference/configuration/ for information about how to use this file.
+#
+
+app = "image-hawk"
+primary_region = "ord"
+console_command = "/rails/bin/rails console"
+
+[build]
+
+[http_service]
+  internal_port = 3000
+  force_https = true
+  auto_stop_machines = true
+  auto_start_machines = true
+  min_machines_running = 0
+  processes = ["app"]
+
+[[statics]]
+  guest_path = "/app/public"
+  url_prefix = "/"