Add env variable support (#80)

* Add env varible support

* Fix

Author: ferranbt

internal/components.go

@@ -70,6 +70,7 @@ func (o *OpNode) Run(service *service, ctx *ExContext) {
 		WithImage("us-docker.pkg.dev/oplabs-tools-artifacts/images/op-node").
 		WithTag("v1.11.0").
 		WithEntrypoint("op-node").
+		WithEnv("A", "B"). // this is just a placeholder to make sure env works since we e2e test with the recipes
 		WithArgs(
 			"--l1", Connect(o.L1Node, "http"),
 			"--l1.beacon", Connect(o.L1Beacon, "http"),

internal/local_runner.go

@@ -383,6 +383,10 @@ func (d *LocalRunner) toDockerComposeService(s *service) (map[string]interface{}
 		"labels": map[string]string{"playground": "true"},
 	}
 
+	if len(s.env) > 0 {
+		service["environment"] = s.env
+	}
+
 	if runtime.GOOS == "linux" {
 		// We rely on host.docker.internal as the DNS address for the host inside
 		// the container. But, this is only available on Macos and Windows.

internal/manifest.go

@@ -296,6 +296,9 @@ type service struct {
 
 	labels map[string]string
 
+	// list of environment variables to set for the service
+	env map[string]string
+
 	ports    []*Port
 	nodeRefs []*NodeRef
 
@@ -333,6 +336,14 @@ func (s *service) UseHostExecution() *service {
 	return s
 }
 
+func (s *service) WithEnv(key, value string) *service {
+	if s.env == nil {
+		s.env = make(map[string]string)
+	}
+	s.env[key] = value
+	return s
+}
+
 func (s *service) WithLabel(key, value string) *service {
 	if s.labels == nil {
 		s.labels = make(map[string]string)