fixed invalid references

Signed-off-by: Sam Alba <sam.alba@gmail.com>

examples/jamstack/backend.cue

@@ -72,7 +72,7 @@ backend: {
 
 	// Docker image built from source, pushed to ECR
 	image: #ECRImage & {
-		source:     source
+		source:     backend.source
 		repository: infra.ecrRepository
 		tag:        slug
 		awsConfig:  infra.awsConfig
@@ -92,7 +92,7 @@ backend: {
 		if infra.ecsTaskRoleArn != _|_ {
 			taskRoleArn: infra.ecsTaskRoleArn
 		}
-		hostname: hostname
+		hostname: backend.hostname
 		healthCheck: {
 			timeout:                 backend.container.healthCheckTimeout
 			path:                    backend.container.healthCheckPath
@@ -101,7 +101,7 @@ backend: {
 		desiredCount: backend.container.desiredCount
 		container: {
 			command:     backend.container.command
-			environment: environment
+			environment: backend.environment
 			port:        backend.container.port
 			memory:      backend.container.memory
 			"image":     image.ref

examples/jamstack/ecr_image.cue

@@ -42,11 +42,8 @@ import (
 			}
 			buildArg: buildArgs
 		},
-		op.Export & {
+		op.#PushContainer & {
-			format: "string"
-			source: op.#PushContainer & {
 			ref: pushTarget
-			}
 		},
 	]
 

examples/jamstack/ecs.cue

@@ -14,7 +14,6 @@ import (
 	clusterName:    string
 	vpcId:          string
 	elbListenerArn: string
-	tlsCertificateArn: string
 	taskRoleArn:    *"" | string
 	hostname:       string
 	healthCheck: {
@@ -48,7 +47,6 @@ import (
 			ELBRulePriority: elbRulePriority.out
 			ImageRef:        container.image
 			ELBListenerArn:  elbListenerArn
-			TLSCertificateArn: tlsCertificateArn
 		}
 		source: json.Marshal(template)
 	}
@@ -60,16 +58,8 @@ import (
 			ELBRulePriority: Type: "Number"
 			ImageRef: Type:        "String"
 			ELBListenerArn: Type:  "String"
-			TLSCertificateArn: Type: "String"
 		}
 		Resources: {
-			TLSCertificate: {
-				Type: "AWS::ElasticLoadBalancingV2::ListenerCertificate"
-				Properties: {
-					Certificates: [ {CertificateArn: Ref: "TLSCertificateArn"}]
-					ListenerArn: Ref: "ELBListenerArn"
-				}
-			}
 			ECSTaskDefinition: {
 				Type: "AWS::ECS::TaskDefinition"
 				Properties: {

stdlib/aws/elb/elb.cue

@@ -17,8 +17,6 @@ import (
 
 	aws.#Script & {
 		files: {
-			"/inputs/aws/access_key": config.accessKey
-			"/inputs/aws/secret_key": config.secretKey
 			"/inputs/listenerArn":    listenerArn
 			if vhost != _|_ {
 				"/inputs/vhost": vhost