27 lines
583 B
Go
27 lines
583 B
Go
package middleware
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import (
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"context"
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"log/slog"
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"net/http"
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"github.com/gofrs/uuid/v5"
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)
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const TraceIdKey contextKey = "trace_id"
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func TraceMiddleware(logger *slog.Logger) func(http.Handler) http.Handler {
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return func(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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traceid, err := uuid.NewV4()
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if err != nil {
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logger.ErrorContext(r.Context(), err.Error())
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}
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ctx := context.WithValue(r.Context(), TraceIdKey, traceid.String())
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newReq := r.WithContext(ctx)
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next.ServeHTTP(w, newReq)
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})
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}
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}
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