[chore]: overlay staging and prod environments

Author: Itsfoss0

0x4-envs/base/deployment.yaml

@@ -0,0 +1,17 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: myapp-dep
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: myapp
+  template:
+    metadata:
+      labels:
+        app: myapp
+    spec:
+      containers:
+        - name: myapp
+          image: PROJECT/IMAGE

0x4-envs/base/kustomization.yaml

@@ -0,0 +1,5 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+  - deployment.yaml

0x4-envs/overlays/prod/deployment.yaml

@@ -0,0 +1,6 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: dep
+spec:
+  replicas: 3

0x4-envs/overlays/prod/kustomization.yaml

@@ -0,0 +1,15 @@
+---
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+  - "../../base"
+patches:
+  - path: "deployment.yaml"
+
+namePrefix: prod-
+
+images:
+  - name: PROJECT/IMAGE
+    newName: nginx
+    newTag: 1.25-bookworm

0x4-envs/overlays/staging/deployment.yaml

@@ -0,0 +1,10 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+  - ./../../base
+namePrefix: staging-
+
+images:
+  - name: PROJECT/IMAGE
+    newName: nginx:1.25.5-alpine