Change Docker image naming to upaas-appname:deploymentID

- Use upaas-appname format instead of upaas/appname
- Tag with deployment number instead of 'latest'
- Example: upaas-myapp:42

internal/service/deploy/deploy.go

@@ -529,7 +529,7 @@ func (svc *Service) buildImage(
 
 	defer cleanup()
 
-	imageTag := "upaas/" + app.Name + ":latest"
+	imageTag := fmt.Sprintf("upaas-%s:%d", app.Name, deployment.ID)
 
 	// Create log writer that flushes build output to deployment logs every second
 	logWriter := newDeploymentLogWriter(ctx, deployment)
@@ -721,9 +721,9 @@ func (svc *Service) createAndStartContainer(
 	ctx context.Context,
 	app *models.App,
 	deployment *models.Deployment,
-	imageID string,
+	_ string,
 ) (string, error) {
-	containerOpts, err := svc.buildContainerOptions(ctx, app, imageID)
+	containerOpts, err := svc.buildContainerOptions(ctx, app, deployment.ID)
 	if err != nil {
 		svc.failDeployment(ctx, app, deployment, err)
 
@@ -767,7 +767,7 @@ func (svc *Service) createAndStartContainer(
 func (svc *Service) buildContainerOptions(
 	ctx context.Context,
 	app *models.App,
-	_ string,
+	deploymentID int64,
 ) (docker.CreateContainerOptions, error) {
 	envVars, err := app.GetEnvVars(ctx)
 	if err != nil {
@@ -801,7 +801,7 @@ func (svc *Service) buildContainerOptions(
 
 	return docker.CreateContainerOptions{
 		Name:    "upaas-" + app.Name,
-		Image:   "upaas/" + app.Name + ":latest",
+		Image:   fmt.Sprintf("upaas-%s:%d", app.Name, deploymentID),
 		Env:     envMap,
 		Labels:  buildLabelMap(app, labels),
 		Volumes: buildVolumeMounts(volumes),