Set fallback, to fix Heroku pre-compilation (#65)

* Set fallback, to fix Heroku precompilation
* Initialize AWS as needed
* Update workflow

.github/workflows/ci.yml

@@ -64,6 +64,7 @@ jobs:
           bin/rake db:migrate
       - name: Run tests
         env:
+          AWS_REGION: us-east-1
           REDIS_URL: redis://localhost:6379/0
           SECRET_KEY_BASE: ${{ secrets.secret_key_base }}
         run: |

app/controllers/concerns/s3_direct_uploadable.rb

@@ -8,6 +8,7 @@ module S3DirectUploadable
   private
 
   def set_s3_direct_post
-    @s3_direct_post = S3_BUCKET.presigned_post(key: "uploads/#{SecureRandom.uuid}/${filename}", success_action_status: "201")
+    s3 = Aws::S3::Resource.new.bucket(ENV["S3_BUCKET"])
+    @s3_direct_post = s3.presigned_post(key: "uploads/#{SecureRandom.uuid}/${filename}", success_action_status: "201")
   end
 end

config/initializers/aws.rb

@@ -1,6 +1,4 @@
 Aws.config.update({
-  region: ENV["AWS_REGION"],
+  region: ENV.fetch("AWS_REGION", "us-east-1"),
   credentials: Aws::Credentials.new(ENV["AWS_ACCESS_KEY_ID"], ENV["AWS_SECRET_ACCESS_KEY"])
 })
-
-S3_BUCKET = Aws::S3::Resource.new.bucket(ENV["S3_BUCKET"])