GoVisual — Project system

What it does

GoVisual wraps a standard Go http.Handler, captures request and middleware behavior, stores the events, and serves a local dashboard at the configured path.

System map

1

input

App Handler

Existing net/http mux

2

service

govisual.Wrap

Functional options configure capture

3

service

Middleware

Request body, response body, timings

4

storage

Store

Memory, SQL, Redis, MongoDB

5

output

OpenTelemetry

Optional trace export

6

output

Dashboard

/__viz request inspection

Selected node

App Handler

Existing net/http mux

input

Codebase read

The public API is intentionally small: Wrap(handler, opts...) and functional options.
Storage can be memory, Postgres, Redis, SQLite, MongoDB, or an existing SQLite connection.
The dashboard path is intercepted before regular app traffic, so the developer tool ships inside the wrapped server.

Key snippet

handler := govisual.Wrap(
    mux,
    govisual.WithRequestBodyLogging(true),
    govisual.WithResponseBodyLogging(true),
    govisual.WithOpenTelemetry(true),
)

http.ListenAndServe(":8080", handler)

Tech used

Gonet/httpOpenTelemetryRedisPostgreSQLSQLiteMongoDB

Source paths inspected

wrap.gooptions.gointernal/middlewareinternal/dashboardinternal/store

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