Release v1.0.0

No major changes, but the application is now stable enough to be at 1.0.

• Update Docker config to use Ruby 3.0
• Push to Docker Hub using GitHub Actions
• Update README

Release v0.1.9

• Update to Ruby 3.0
• Minor code formatting changes
• Update dependencies

Release v0.1.8

• Update Puma

Release v0.1.7

• Update dependencies

Release v0.1.6

• Update dependencies

Release v0.1.5

• Update dependencies
• Add code of conduct
• Replace Travis with GitHub Actions

Release v0.1.4

• Update dependencies
• Small refactoring based on RuboCop suggestions

Release v0.1.3

• Update dependencies
• Sponsor link

Release v0.1.2

• Update dependencies

Release v0.1.1

• Limit the production log to 50MB. If a larger log size is desired then the environment variable RAILS_LOG_SIZE can be set (in megabytes).