diff --git a/01_onsite/01_dev/mariadb/deployment.yaml b/01_onsite/01_dev/mariadb/deployment.yaml
new file mode 100644
index 0000000..e66198f
--- /dev/null
+++ b/01_onsite/01_dev/mariadb/deployment.yaml
@@ -0,0 +1,89 @@
+# Deployment description
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: mariadb-deployment
+  namespace: dev-environment
+  labels:
+    app: mariadb-dev
+spec:
+  strategy:
+    type: Recreate
+  replicas: 1
+  selector:
+    matchLabels:
+      app: mariadb-dev
+  template:
+    metadata:
+      labels:
+        app: mariadb-dev
+    spec:
+      containers:
+        - name: mariadb
+          image: mariadb:10.7.1
+          resources:
+            requests:
+              memory: "256Mi"
+              cpu: "100m"
+            limits:
+              memory: "512Mi"
+              cpu: "4"
+          ports:
+            - containerPort: 3306
+          envFrom:
+            - configMapRef:
+                name: mariadb-config
+          volumeMounts:
+            - mountPath: /var/lib/mysql
+              name: mariadb-pv-dev
+              subPath: mariadb
+      volumes:
+        - name: mariadb-pv-dev
+          persistentVolumeClaim:
+            claimName: mariadb-pvc-dev
+---
+# Persistent Volume Claim description
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: mariadb-pvc-dev
+  namespace: dev-environment
+  labels:
+    app: mariadb-dev
+spec:
+  storageClassName: longhorn
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 2Gi
+---
+# ConfigMap description
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: mariadb-config
+  namespace: dev-environment
+  labels:
+    app: mariadb-dev
+data:
+  MYSQL_ROOT_PASSWORD: Semapp123456!
+  MYSQL_DATABASE: mariadb
+  MYSQL_USER: mysqluser
+  MYSQL_PASSWORD: Semapp123456!
+---
+# mariadb StatefulSet Service
+apiVersion: v1
+kind: Service
+metadata:
+  name: mariadb-lb
+  namespace: dev-environment
+spec:
+  selector:
+    app: mariadb-dev
+  type: LoadBalancer
+  ports:
+    - port: 3306
+      targetPort: 3306
+
+---
\ No newline at end of file
diff --git a/01_onsite/01_dev/phpmyadmin/deployment.yaml b/01_onsite/01_dev/phpmyadmin/deployment.yaml
new file mode 100644
index 0000000..0abb0e2
--- /dev/null
+++ b/01_onsite/01_dev/phpmyadmin/deployment.yaml
@@ -0,0 +1,71 @@
+# Deployment description
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: phpmyadmin-deployment
+  namespace: dev-environment
+  labels:
+    app: phpmyadmin-dev
+spec:
+  strategy:
+    type: Recreate
+  replicas: 1
+  selector:
+    matchLabels:
+      app: phpmyadmin-dev
+  template:
+    metadata:
+      labels:
+        app: phpmyadmin-dev
+    spec:
+      containers:
+        - name: phpmyadmin
+          image: phpmyadmin/phpmyadmin
+          resources:
+            requests:
+              memory: "256Mi"
+              cpu: "100m"
+            limits:
+              memory: "512Mi"
+              cpu: "4"
+          ports:
+            - containerPort: 80
+              name: phpmyadmin-http
+              protocol: TCP
+          env:
+            - name: PMA_HOST
+              value: "mariadb-lb"
+---
+# phpmyadmin Service
+apiVersion: v1
+kind: Service
+metadata:
+  name: phpmyadmin
+  namespace: dev-environment
+spec:
+  selector:
+    app: phpmyadmin-dev
+  ports:
+    - name: phpmyadmin-http
+      port: 80
+      targetPort: phpmyadmin-http
+  type: NodePort
+---
+
+# Ingress description
+apiVersion: networking.k8s.io/v1beta1
+kind: Ingress
+metadata:
+  name: phpmyadmin-dev-ingress
+  namespace: dev-environment
+  annotations:
+    kubernetes.io/ingress.class: "traefik"
+spec:
+  rules:
+  - host: phpmyadmin-dev.k3s.semapp.lan
+    http:
+      paths:
+      - path: /
+        backend:
+          serviceName: phpmyadmin
+          servicePort: 80
\ No newline at end of file