hammer

Hammer - Simple Thumbnail Generation Service (for images and videos).

Dependencies

• Consul
• RabbitMQ
• mini-fstore
• ffmpeg (for generating video thumbnail)

Updates

• Since v0.0.5, hammer nolonger uses libvip (external dependency) to compress images. It now uses github.com/disintegration/gift instead, it might be slower and more resource intensive, but it's written purely in Go.

The Sequence

sequenceDiagram

    participant b as backend
    participant m as mini-fstore
    participant h as hammer

    b->>m:Upload image
    b--)h:(MQ) trigger image compression
    h->>m:download original file
    h->>h:compress image
    h->>m:upload compressed image
    h--)b:(MQ) reply file_id of the compressed image

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