Injects configured environment variables into all containers running in the pod (#77)

* this injects the right FLAGD_PORT into all containers running in the pod

* this injects the right FLAGD_PORT into all containers running in the pod

Author: AlexsJones

pkg/utils/flagd-definitions.json

@@ -178,6 +178,10 @@ func (m *PodMutator) injectSidecar(pod *corev1.Pod, configMap string, featureFla
 		envs = featureFlag.Spec.FlagDSpec.Envs
 	}
 
+	// Add additional environment variables to existing containers
+	for _, container := range pod.Spec.Containers {
+		container.Env = append(container.Env, envs...)
+	}
 	pod.Spec.Containers = append(pod.Spec.Containers, corev1.Container{
 		Name:            "flagd",
 		Image:           "ghcr.io/open-feature/flagd:" + FlagDTag,