add gem for image resize

Author: samuraikun

Gemfile

@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+source "https://rubygems.org"
+
+git_source(:github) {|repo_name| "https://github.com/#{repo_name}" }
+
+gem "aws-sdk-s3"
+gem "image_processing"
+
+group :development do
+  gem "rake"
+end
+
+group :test do
+  gem "pry"
+  gem "minitest"
+end

Gemfile.lock

@@ -0,0 +1,47 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    aws-eventstream (1.1.1)
+    aws-partitions (1.451.0)
+    aws-sdk-core (3.114.0)
+      aws-eventstream (~> 1, >= 1.0.2)
+      aws-partitions (~> 1, >= 1.239.0)
+      aws-sigv4 (~> 1.1)
+      jmespath (~> 1.0)
+    aws-sdk-kms (1.43.0)
+      aws-sdk-core (~> 3, >= 3.112.0)
+      aws-sigv4 (~> 1.1)
+    aws-sdk-s3 (1.94.1)
+      aws-sdk-core (~> 3, >= 3.112.0)
+      aws-sdk-kms (~> 1)
+      aws-sigv4 (~> 1.1)
+    aws-sigv4 (1.2.3)
+      aws-eventstream (~> 1, >= 1.0.2)
+    coderay (1.1.3)
+    ffi (1.15.0)
+    image_processing (1.12.1)
+      mini_magick (>= 4.9.5, < 5)
+      ruby-vips (>= 2.0.17, < 3)
+    jmespath (1.4.0)
+    method_source (1.0.0)
+    mini_magick (4.11.0)
+    minitest (5.14.4)
+    pry (0.14.1)
+      coderay (~> 1.1)
+      method_source (~> 1.0)
+    rake (13.0.3)
+    ruby-vips (2.1.0)
+      ffi (~> 1.12)
+
+PLATFORMS
+  x86_64-linux
+
+DEPENDENCIES
+  aws-sdk-s3
+  image_processing
+  minitest
+  pry
+  rake
+
+BUNDLED WITH
+   2.2.7