2.19.0

2.19.0 - 2020-12-01

New

• New output : Apache Kafka (PR#124 thanks to @KeisukeYamashita)
• New output : Cloudwatch Logs (PR#127 thanks to @cpanato)

Enhancement

• Bump Golang version to 1.15 (PR#128 thanks to @KeisukeYamashita)
• Add a contributing document (PR#123 thanks to @cpanato)
• Add a .dockerignore for small images (PR#126 thanks to @KeisukeYamashita)
• Refactor HTTP server handler (PR#116 thanks to @KeisukeYamashita)
• Add test for Discord (PR#117 thanks to @KeisukeYamashita)

Fix

• Fix Discord output's Prometheus metrics (PR#118 thanks to @KeisukeYamashita)
• Fix nil pointer when GCP configuration is incorrect (PR#130)