Added postfix deployment, added resource limit to dovecot

.gitignore

@@ -0,0 +1 @@
+.vscode

kustomize/dovecot-deployment.yaml

@@ -21,6 +21,10 @@ spec:
       containers:
         - image: git.altarik.fr/quentinlegot/dovecot:latest
           name: dovecot
+          resources:
+            limits:
+              memory: "128Mi"
+              cpu: "500m"
           ports:
             - containerPort: 24
               name: lmtp

kustomize/dovecot-volume.yaml

@@ -9,4 +9,4 @@ spec:
     - ReadWriteOnce
   resources:
     requests:
-      storage: 100Mi
+      storage: 250Mi

kustomize/postfix-deployment.yaml

@@ -0,0 +1,31 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: postfix
+  labels:
+    app: postfix
+spec:
+  selector:
+    matchLabels:
+      app: postfix
+  template:
+    metadata:
+      labels:
+        app: postfix
+        tier: smtp
+    spec:
+      containers:
+      - name: postfix
+        image: git.altarik.fr/quentinlegot/postfix:latest
+        resources:
+          limits:
+            memory: "128Mi"
+            cpu: "500m"
+        ports:
+        - containerPort: 25
+          name: smtp
+        - containerPort: 143
+          name: auth smtp tls
+        - containerPort: 587
+          name: msa
+      

kustomize/postfix-svc.yaml

@@ -0,0 +1,17 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: postfix
+  labels:
+    app: postfix
+spec:
+  selector:
+    app: postfix
+  type: LoadBalancer
+  ports:
+  - port: 30025
+    targetPort: 25
+  - port: 30143
+    targetPort: 143
+  - port: 30587
+    targetPort: 587