Todo App REST API using Gin and Pgx

go mod tidy

to download the required packages and populate the go.sum file.

Set up database and table using the following commands:

psql -U postgres -h localhost -d postgres -c "CREATE DATABASE tododb"
psql -U postgres -h localhost -d tododb -f ./db.sql

Set the environment variables:

export DATABASE_URL="postgres://user:password@localhost:5432/tododb"

To run and configure app to send data to SigNoz

For SigNoz Cloud

SERVICE_NAME=gopgxApp INSECURE_MODE=false OTEL_EXPORTER_OTLP_HEADERS=signoz-access-token=<SIGNOZ-INGESTION-TOKEN> OTEL_EXPORTER_OTLP_ENDPOINT=ingest.{region}.signoz.cloud:443 go run .

• Update <SIGNOZ-INGESTION-TOKEN> with the ingestion token provided by SigNoz
• Update ingest.{region}.signoz.cloud:443 with the ingestion endpoint of your region. Refer to the table below for the same.

Region	Endpoint
US	ingest.us.signoz.cloud:443
IN	ingest.in.signoz.cloud:443
EU	ingest.eu.signoz.cloud:443

For SigNoz OSS

SERVICE_NAME=gopgxApp INSECURE_MODE=true OTEL_EXPORTER_OTLP_ENDPOINT=<IP of SigNoz backend>:4317 go run .

• <IP of SigNoz backend:4317> should be without http/https scheme. Eg localhost:4317.

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This runs the gin application at port 8080. Try accessing API at http://localhost:8080/todos

Below are the apis available to play around. The API calls will generate telemetry data which will be sent to SigNoz which can be viewed at <IP of SigNoz backend>:3000

GET    /todos                    
POST   /todos                    
PATCH  /todos/:id                
DELETE /todos/:id