something like this

go.mod

@@ -9,6 +9,7 @@ require (
 	git.itzana.me/strafesnet/utils v0.0.0-20220716194944-d8ca164052f9
 	github.com/go-faster/errors v0.7.1
 	github.com/go-faster/jx v1.1.0
+	github.com/nats-io/nats.go v1.37.0
 	github.com/ogen-go/ogen v1.2.1
 	github.com/sirupsen/logrus v1.9.3
 	github.com/urfave/cli/v2 v2.27.5
@@ -29,6 +30,9 @@ require (
 	github.com/jackc/puddle/v2 v2.2.1 // indirect
 	github.com/jinzhu/inflection v1.0.0 // indirect
 	github.com/jinzhu/now v1.1.5 // indirect
+	github.com/klauspost/compress v1.17.6 // indirect
+	github.com/nats-io/nkeys v0.4.7 // indirect
+	github.com/nats-io/nuid v1.0.1 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
 	github.com/xrash/smetrics v0.0.0-20240521201337-686a1a2994c1 // indirect
 	golang.org/x/crypto v0.23.0 // indirect

go.sum

@@ -86,6 +86,8 @@ github.com/jinzhu/inflection v1.0.0/go.mod h1:h+uFLlag+Qp1Va5pdKtLDYj+kHp5pxUVkr
 github.com/jinzhu/now v1.1.2/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8=
 github.com/jinzhu/now v1.1.5 h1:/o9tlHleP7gOFmsnYNz3RGnqzefHA47wQpKrrdTIwXQ=
 github.com/jinzhu/now v1.1.5/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8=
+github.com/klauspost/compress v1.17.6 h1:60eq2E/jlfwQXtvZEeBUYADs+BwKBWURIY+Gj2eRGjI=
+github.com/klauspost/compress v1.17.6/go.mod h1:/dCuZOvVtNoHsyb+cuJD3itjs3NbnF6KH9zAO4BDxPM=
 github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
 github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
@@ -95,6 +97,12 @@ github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovk
 github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
 github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
 github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
+github.com/nats-io/nats.go v1.37.0 h1:07rauXbVnnJvv1gfIyghFEo6lUcYRY0WXc3x7x0vUxE=
+github.com/nats-io/nats.go v1.37.0/go.mod h1:Ubdu4Nh9exXdSz0RVWRFBbRfrbSxOYd26oF0wkWclB8=
+github.com/nats-io/nkeys v0.4.7 h1:RwNJbbIdYCoClSDNY7QVKZlyb/wfT6ugvFCiKy6vDvI=
+github.com/nats-io/nkeys v0.4.7/go.mod h1:kqXRgRDPlGy7nGaEDMuYzmiJCIAAWDK0IMBtDmGD0nc=
+github.com/nats-io/nuid v1.0.1 h1:5iA8DT8V7q8WK2EScv2padNa/rTESc1KdnPw4TC2paw=
+github.com/nats-io/nuid v1.0.1/go.mod h1:19wcPz3Ph3q0Jbyiqsd0kePYG7A95tJPxeL+1OSON2c=
 github.com/ogen-go/ogen v1.2.1 h1:C5A0lvUMu2wl+eWIxnpXMWnuOJ26a2FyzR1CIC2qG0M=
 github.com/ogen-go/ogen v1.2.1/go.mod h1:P2zQdEu8UqaVRfD5GEFvl+9q63VjMLvDquq1wVbyInM=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=

pkg/cmds/serve.go

@@ -10,6 +10,7 @@ import (
 	"net/http"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials/insecure"
+	"github.com/nats-io/nats.go"
 )
 
 func NewServeCommand() *cli.Command {
@@ -69,8 +70,13 @@ func serve(ctx *cli.Context) error {
 	if err != nil {
 		log.WithError(err).Fatal("failed to connect database")
 	}
+	nc, err := nats.Connect("nats:4222")
+	if err != nil {
+		log.WithError(err).Fatal("failed to connect nats")
+	}
 	svc := &service.Service{
 		DB: db,
+		Nats: nc,
 	}
 
 	conn, err := grpc.Dial("auth-service:8090", grpc.WithTransportCredentials(insecure.NewCredentials()))

pkg/service/service.go

@@ -4,10 +4,12 @@ import (
 	"context"
 	"git.itzana.me/strafesnet/maps-service/pkg/api"
 	"git.itzana.me/strafesnet/maps-service/pkg/datastore"
+	"github.com/nats-io/nats.go"
 )
 
 type Service struct {
 	DB datastore.Datastore
+	Nats *nats.Conn
 }
 
 // NewError creates *ErrorStatusCode from error returned by handler.

pkg/service/submissions.go

@@ -302,7 +302,14 @@ func (svc *Service) ActionSubmissionTriggerPublish(ctx context.Context, params a
 	// transaction
 	smap := datastore.Optional()
 	smap.Add("status_id",model.StatusPublishing)
-	return svc.DB.Submissions().IfStatusThenUpdate(ctx, params.SubmissionID, []model.Status{model.StatusValidated}, smap)
+	err := svc.DB.Submissions().IfStatusThenUpdate(ctx, params.SubmissionID, []model.Status{model.StatusValidated}, smap)
+	if err != nil{
+		return err
+	}
+
+	svc.Nats.Publish("publish", []byte(params.SubmissionID))
+
+	return nil
 }
 // ActionSubmissionTriggerValidate invokes actionSubmissionTriggerValidate operation.
 //
@@ -323,7 +330,14 @@ func (svc *Service) ActionSubmissionTriggerValidate(ctx context.Context, params
 	// transaction
 	smap := datastore.Optional()
 	smap.Add("status_id",model.StatusValidating)
-	return svc.DB.Submissions().IfStatusThenUpdate(ctx, params.SubmissionID, []model.Status{model.StatusSubmitted,model.StatusAccepted}, smap)
+	err := svc.DB.Submissions().IfStatusThenUpdate(ctx, params.SubmissionID, []model.Status{model.StatusSubmitted,model.StatusAccepted}, smap)
+	if err != nil{
+		return err
+	}
+
+	svc.Nats.Publish("validate", []byte(params.SubmissionID))
+
+	return nil
 }
 // ActionSubmissionValidate invokes actionSubmissionValidate operation.
 //