Monitor Gorilla Mux in Go Applications with Atatus Go Agent

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Installation steps

1. Install Atatus Go Agent and framework module
   go get go.atatus.com/agent
   go get go.atatus.com/agent/module/atgorilla
   
2. Set up tracer and add Atatus middleware
    import (
       "github.com/gorilla/mux"
       
       "go.atatus.com/agent"
       "go.atatus.com/agent/module/atgorilla"
   )
   
   func main() {
       // Initialize Atatus tracer using environment variables
       tracer := atatus.DefaultTracer
       tracer.Service.LicenseKey = os.Getenv("ATATUS_LICENSE_KEY")
       tracer.Service.AppName = os.Getenv("ATATUS_APP_NAME")
       tracer.Service.Tracing = os.Getenv("ATATUS_TRACING")
       tracer.Service.Analytics = os.Getenv("ATATUS_ANALYTICS")
   
       // Setup gorilla router and apply Atatus middleware (atgorilla)
       router := mux.NewRouter()
       atgorilla.Instrument(router)
   }
   
   func handleRequest(w http.ResponseWriter, r *http.Request) {
     // The context from r.Context() should be propagated to downstream operations,
     // such as database queries and external HTTP API calls
     
      ctx:=r.Context()
       _ = db.QueryContext(ctx, "SELECT 'Atatus!'").Scan(&greeting)
   }
   
   Before running your application, make sure these environment variables are set in your terminal or .env file:
   export ATATUS_LICENSE_KEY=<your_atatus_license_key>
   export ATATUS_APP_NAME=<your_application_name>
   export ATATUS_TRACING=true
   export ATATUS_ANALYTICS=true
   export ATATUS_NOTIFY_HOST="YOUR_ON_PREMISE_URL"
   
3. Clean Up and Sync Dependencies
   go mod tidy
   
4. Run the Application
   go run main.go