diff --git a/packages/kontinuous/tests/__snapshots__/maildev.dev.yaml b/packages/kontinuous/tests/__snapshots__/maildev.dev.yaml
new file mode 100644
index 0000000000..ab38535d9d
--- /dev/null
+++ b/packages/kontinuous/tests/__snapshots__/maildev.dev.yaml
@@ -0,0 +1,239 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`test build manifests with snapshots maildev.dev 1`] = `
+"apiVersion: v1
+kind: Namespace
+metadata:
+  annotations:
+    field.cattle.io/projectId: \\"1234\\"
+    kontinuous/gitBranch: feature-branch-1
+    kontinuous/mainNamespace: \\"true\\"
+    kapp.k14s.io/exists: \\"\\"
+    kontinuous/chartPath: project.fabrique.contrib.rancher-namespace
+    kontinuous/source: project/charts/fabrique/charts/contrib/charts/rancher-namespace/templates/namespace.yaml
+    kontinuous/deployment: test-maildev-feature-branch-1-ffac537e6cbbf934b08745a-5iniqvup
+    janitor/ttl: 7d
+  labels:
+    application: test-maildev
+    kontinuous/deployment: test-maildev-feature-branch-1-ffac537e6cbbf934b08745a-5iniqvup
+    kontinuous/deployment.env: test-maildev-feature-branch-1
+    kontinuous/ref: feature-branch-1
+    kontinuous/gitSha: ffac537e6cbbf934b08745a378932722df287a53
+    kontinuous/appVersion: ffac537e6cbbf934b08745a378932722df287a53
+    kontinuous/resourceName: namespace-test-maildev-feature-branch-1-1neqr4v3
+    app.kubernetes.io/manifest-managed-by: kontinuous
+    app.kubernetes.io/manifest-created-by: kontinuous
+    cert: wildcard
+  name: test-maildev-feature-branch-1
+---
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: netpol-ingress
+  namespace: test-maildev-feature-branch-1
+  annotations:
+    kontinuous/chartPath: project.fabrique.contrib.security-policies
+    kontinuous/source: project/charts/fabrique/charts/contrib/charts/security-policies/templates/network-policy.yml
+    kontinuous/deployment: test-maildev-feature-branch-1-ffac537e6cbbf934b08745a-5iniqvup
+  labels:
+    kontinuous/deployment: test-maildev-feature-branch-1-ffac537e6cbbf934b08745a-5iniqvup
+    kontinuous/deployment.env: test-maildev-feature-branch-1
+    kontinuous/ref: feature-branch-1
+    kontinuous/gitSha: ffac537e6cbbf934b08745a378932722df287a53
+    kontinuous/appVersion: ffac537e6cbbf934b08745a378932722df287a53
+    kontinuous/resourceName: networkpolicy-netpol-ingress-61ndxljw
+    app.kubernetes.io/manifest-managed-by: kontinuous
+    app.kubernetes.io/manifest-created-by: kontinuous
+spec:
+  ingress:
+    - from:
+        - podSelector: {}
+    - from:
+        - namespaceSelector:
+            matchLabels:
+              network-policy/source: ingress-controller
+    - from:
+        - namespaceSelector:
+            matchLabels:
+              network-policy/source: monitoring
+  podSelector: {}
+  policyTypes:
+    - Ingress
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: default
+  annotations:
+    kontinuous/chartPath: project.fabrique.contrib.security-policies
+    kontinuous/source: project/charts/fabrique/charts/contrib/charts/security-policies/templates/service-account.yaml
+    kontinuous/deployment: test-maildev-feature-branch-1-ffac537e6cbbf934b08745a-5iniqvup
+  labels:
+    kontinuous/deployment: test-maildev-feature-branch-1-ffac537e6cbbf934b08745a-5iniqvup
+    kontinuous/deployment.env: test-maildev-feature-branch-1
+    kontinuous/ref: feature-branch-1
+    kontinuous/gitSha: ffac537e6cbbf934b08745a378932722df287a53
+    kontinuous/appVersion: ffac537e6cbbf934b08745a378932722df287a53
+    kontinuous/resourceName: serviceaccount-default-2g5dmk74
+    app.kubernetes.io/manifest-managed-by: kontinuous
+    app.kubernetes.io/manifest-created-by: kontinuous
+  namespace: test-maildev-feature-branch-1
+automountServiceAccountToken: false
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: maildev
+  labels:
+    component: maildev
+    application: test-maildev
+    kontinuous/deployment: test-maildev-feature-branch-1-ffac537e6cbbf934b08745a-5iniqvup
+    kontinuous/deployment.env: test-maildev-feature-branch-1
+    kontinuous/ref: feature-branch-1
+    kontinuous/gitSha: ffac537e6cbbf934b08745a378932722df287a53
+    kontinuous/appVersion: ffac537e6cbbf934b08745a378932722df287a53
+    kontinuous/resourceName: deployment-maildev-3wk4n2r4
+    app.kubernetes.io/manifest-managed-by: kontinuous
+    app.kubernetes.io/manifest-created-by: kontinuous
+  annotations:
+    kontinuous/chartPath: project.fabrique.maildev.maildev
+    kontinuous/source: project/charts/fabrique/charts/maildev/charts/maildev/templates/deployment.yaml
+    kontinuous/deployment: test-maildev-feature-branch-1-ffac537e6cbbf934b08745a-5iniqvup
+    kontinuous/depname.full: project.fabrique.maildev.maildev.deployment.maildev
+    kontinuous/depname.chartResource: maildev.deployment.maildev
+    kontinuous/depname.chartName: maildev
+    kontinuous/depname.chartPath: project.fabrique.maildev.maildev
+    kontinuous/depname.resourcePath: deployment.maildev
+    kontinuous/depname.resourceName: maildev
+    kontinuous/depname.chartNameTopFull: maildev.maildev
+    kontinuous/depname.chartNameTop: maildev
+    kontinuous/plugin.log: \\"false\\"
+    reloader.stakater.com/auto: \\"true\\"
+  namespace: test-maildev-feature-branch-1
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      component: maildev
+  template:
+    metadata:
+      labels:
+        component: maildev
+        kontinuous/deployment: test-maildev-feature-branch-1-ffac537e6cbbf934b08745a-5iniqvup
+        kontinuous/deployment.env: test-maildev-feature-branch-1
+        kontinuous/ref: feature-branch-1
+        kontinuous/gitSha: ffac537e6cbbf934b08745a378932722df287a53
+        kontinuous/appVersion: ffac537e6cbbf934b08745a378932722df287a53
+        kontinuous/resourceName: deployment-maildev-3wk4n2r4
+        app.kubernetes.io/manifest-managed-by: kontinuous
+        app.kubernetes.io/manifest-created-by: kontinuous
+      annotations:
+        kontinuous/deployment: test-maildev-feature-branch-1-ffac537e6cbbf934b08745a-5iniqvup
+    spec:
+      containers:
+        - name: maildev
+          image: maildev/maildev:2.1.0
+          imagePullPolicy: IfNotPresent
+          args:
+            - --mail-directory
+            - /home/node/maildev-data
+          volumeMounts:
+            - name: data
+              mountPath: /home/node/maildev-data
+          ports:
+            - name: http
+              containerPort: 1080
+              protocol: TCP
+            - name: smtp
+              containerPort: 1025
+              protocol: TCP
+          livenessProbe:
+            httpGet:
+              path: /healthz
+              port: http
+          readinessProbe:
+            httpGet:
+              path: /healthz
+              port: http
+          securityContext:
+            runAsUser: 1000
+            runAsGroup: 1000
+          resources:
+            requests:
+              cpu: 41m
+              memory: 121Mi
+      volumes:
+        - name: data
+          emptyDir: {}
+---
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    component: maildev
+    application: test-maildev
+    kontinuous/deployment: test-maildev-feature-branch-1-ffac537e6cbbf934b08745a-5iniqvup
+    kontinuous/deployment.env: test-maildev-feature-branch-1
+    kontinuous/ref: feature-branch-1
+    kontinuous/gitSha: ffac537e6cbbf934b08745a378932722df287a53
+    kontinuous/appVersion: ffac537e6cbbf934b08745a378932722df287a53
+    kontinuous/resourceName: service-maildev-43k23ywy
+    app.kubernetes.io/manifest-managed-by: kontinuous
+    app.kubernetes.io/manifest-created-by: kontinuous
+  name: maildev
+  annotations:
+    kontinuous/chartPath: project.fabrique.maildev.maildev
+    kontinuous/source: project/charts/fabrique/charts/maildev/charts/maildev/templates/service.yaml
+    kontinuous/deployment: test-maildev-feature-branch-1-ffac537e6cbbf934b08745a-5iniqvup
+  namespace: test-maildev-feature-branch-1
+spec:
+  ports:
+    - name: http
+      port: 1080
+      targetPort: 1080
+    - name: smtp
+      port: 1025
+      targetPort: 1025
+  selector:
+    component: maildev
+  type: ClusterIP
+---
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  annotations:
+    kubernetes.io/ingress.class: nginx
+    kontinuous/chartPath: project.fabrique.maildev.maildev
+    kontinuous/source: project/charts/fabrique/charts/maildev/charts/maildev/templates/ingress.yaml
+    kontinuous/deployment: test-maildev-feature-branch-1-ffac537e6cbbf934b08745a-5iniqvup
+  labels:
+    component: maildev
+    application: test-maildev
+    kontinuous/deployment: test-maildev-feature-branch-1-ffac537e6cbbf934b08745a-5iniqvup
+    kontinuous/deployment.env: test-maildev-feature-branch-1
+    kontinuous/ref: feature-branch-1
+    kontinuous/gitSha: ffac537e6cbbf934b08745a378932722df287a53
+    kontinuous/appVersion: ffac537e6cbbf934b08745a378932722df287a53
+    kontinuous/resourceName: ingress-maildev-3q61sa35
+    app.kubernetes.io/manifest-managed-by: kontinuous
+    app.kubernetes.io/manifest-created-by: kontinuous
+  name: maildev
+  namespace: test-maildev-feature-branch-1
+spec:
+  rules:
+    - host: maildev-test-maildev-feature-branch-1.dev.fabrique.social.gouv.fr
+      http:
+        paths:
+          - backend:
+              service:
+                name: maildev
+                port:
+                  name: http
+            path: /
+            pathType: Prefix
+  tls:
+    - hosts:
+        - maildev-test-maildev-feature-branch-1.dev.fabrique.social.gouv.fr
+      secretName: wildcard-crt
+"
+`;
diff --git a/packages/kontinuous/tests/__snapshots__/maildev.prod.yaml b/packages/kontinuous/tests/__snapshots__/maildev.prod.yaml
new file mode 100644
index 0000000000..a74b9b03d1
--- /dev/null
+++ b/packages/kontinuous/tests/__snapshots__/maildev.prod.yaml
@@ -0,0 +1,240 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`test build manifests with snapshots maildev.prod 1`] = `
+"apiVersion: v1
+kind: Namespace
+metadata:
+  annotations:
+    field.cattle.io/projectId: \\"1234\\"
+    kontinuous/gitBranch: feature-branch-1
+    kontinuous/mainNamespace: \\"true\\"
+    kapp.k14s.io/exists: \\"\\"
+    kontinuous/chartPath: project.fabrique.contrib.rancher-namespace
+    kontinuous/source: project/charts/fabrique/charts/contrib/charts/rancher-namespace/templates/namespace.yaml
+    kontinuous/deployment: test-maildev-feature-branch-1-ffac537e6cbbf934b08745a-5iniqvup
+  labels:
+    application: test-maildev
+    kontinuous/deployment: test-maildev-feature-branch-1-ffac537e6cbbf934b08745a-5iniqvup
+    kontinuous/deployment.env: test-maildev-prod
+    kontinuous/ref: feature-branch-1
+    kontinuous/gitSha: ffac537e6cbbf934b08745a378932722df287a53
+    kontinuous/appVersion: ffac537e6cbbf934b08745a378932722df287a53
+    kontinuous/resourceName: namespace-test-maildev-1iq1pm0g
+    app.kubernetes.io/manifest-managed-by: kontinuous
+    app.kubernetes.io/manifest-created-by: kontinuous
+  name: test-maildev
+---
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: netpol-ingress
+  namespace: test-maildev
+  annotations:
+    kontinuous/chartPath: project.fabrique.contrib.security-policies
+    kontinuous/source: project/charts/fabrique/charts/contrib/charts/security-policies/templates/network-policy.yml
+    kontinuous/deployment: test-maildev-feature-branch-1-ffac537e6cbbf934b08745a-5iniqvup
+  labels:
+    kontinuous/deployment: test-maildev-feature-branch-1-ffac537e6cbbf934b08745a-5iniqvup
+    kontinuous/deployment.env: test-maildev-prod
+    kontinuous/ref: feature-branch-1
+    kontinuous/gitSha: ffac537e6cbbf934b08745a378932722df287a53
+    kontinuous/appVersion: ffac537e6cbbf934b08745a378932722df287a53
+    kontinuous/resourceName: networkpolicy-netpol-ingress-61ndxljw
+    app.kubernetes.io/manifest-managed-by: kontinuous
+    app.kubernetes.io/manifest-created-by: kontinuous
+spec:
+  ingress:
+    - from:
+        - podSelector: {}
+    - from:
+        - namespaceSelector:
+            matchLabels:
+              network-policy/source: ingress-controller
+    - from:
+        - namespaceSelector:
+            matchLabels:
+              network-policy/source: monitoring
+  podSelector: {}
+  policyTypes:
+    - Ingress
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: default
+  annotations:
+    kontinuous/chartPath: project.fabrique.contrib.security-policies
+    kontinuous/source: project/charts/fabrique/charts/contrib/charts/security-policies/templates/service-account.yaml
+    kontinuous/deployment: test-maildev-feature-branch-1-ffac537e6cbbf934b08745a-5iniqvup
+  labels:
+    kontinuous/deployment: test-maildev-feature-branch-1-ffac537e6cbbf934b08745a-5iniqvup
+    kontinuous/deployment.env: test-maildev-prod
+    kontinuous/ref: feature-branch-1
+    kontinuous/gitSha: ffac537e6cbbf934b08745a378932722df287a53
+    kontinuous/appVersion: ffac537e6cbbf934b08745a378932722df287a53
+    kontinuous/resourceName: serviceaccount-default-2g5dmk74
+    app.kubernetes.io/manifest-managed-by: kontinuous
+    app.kubernetes.io/manifest-created-by: kontinuous
+  namespace: test-maildev
+automountServiceAccountToken: false
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: maildev
+  labels:
+    component: maildev
+    application: test-maildev
+    kontinuous/deployment: test-maildev-feature-branch-1-ffac537e6cbbf934b08745a-5iniqvup
+    kontinuous/deployment.env: test-maildev-prod
+    kontinuous/ref: feature-branch-1
+    kontinuous/gitSha: ffac537e6cbbf934b08745a378932722df287a53
+    kontinuous/appVersion: ffac537e6cbbf934b08745a378932722df287a53
+    kontinuous/resourceName: deployment-maildev-3wk4n2r4
+    app.kubernetes.io/manifest-managed-by: kontinuous
+    app.kubernetes.io/manifest-created-by: kontinuous
+  annotations:
+    kontinuous/chartPath: project.fabrique.maildev.maildev
+    kontinuous/source: project/charts/fabrique/charts/maildev/charts/maildev/templates/deployment.yaml
+    kontinuous/deployment: test-maildev-feature-branch-1-ffac537e6cbbf934b08745a-5iniqvup
+    kontinuous/depname.full: project.fabrique.maildev.maildev.deployment.maildev
+    kontinuous/depname.chartResource: maildev.deployment.maildev
+    kontinuous/depname.chartName: maildev
+    kontinuous/depname.chartPath: project.fabrique.maildev.maildev
+    kontinuous/depname.resourcePath: deployment.maildev
+    kontinuous/depname.resourceName: maildev
+    kontinuous/depname.chartNameTopFull: maildev.maildev
+    kontinuous/depname.chartNameTop: maildev
+    kontinuous/plugin.log: \\"false\\"
+    reloader.stakater.com/auto: \\"true\\"
+  namespace: test-maildev
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      component: maildev
+  template:
+    metadata:
+      labels:
+        component: maildev
+        kontinuous/deployment: test-maildev-feature-branch-1-ffac537e6cbbf934b08745a-5iniqvup
+        kontinuous/deployment.env: test-maildev-prod
+        kontinuous/ref: feature-branch-1
+        kontinuous/gitSha: ffac537e6cbbf934b08745a378932722df287a53
+        kontinuous/appVersion: ffac537e6cbbf934b08745a378932722df287a53
+        kontinuous/resourceName: deployment-maildev-3wk4n2r4
+        app.kubernetes.io/manifest-managed-by: kontinuous
+        app.kubernetes.io/manifest-created-by: kontinuous
+      annotations:
+        kontinuous/deployment: test-maildev-feature-branch-1-ffac537e6cbbf934b08745a-5iniqvup
+    spec:
+      containers:
+        - name: maildev
+          image: maildev/maildev:2.1.0
+          imagePullPolicy: IfNotPresent
+          args:
+            - --mail-directory
+            - /home/node/maildev-data
+          volumeMounts:
+            - name: data
+              mountPath: /home/node/maildev-data
+          ports:
+            - name: http
+              containerPort: 1080
+              protocol: TCP
+            - name: smtp
+              containerPort: 1025
+              protocol: TCP
+          livenessProbe:
+            httpGet:
+              path: /healthz
+              port: http
+          readinessProbe:
+            httpGet:
+              path: /healthz
+              port: http
+          securityContext:
+            runAsUser: 1000
+            runAsGroup: 1000
+          resources:
+            requests:
+              cpu: 41m
+              memory: 121Mi
+      volumes:
+        - name: data
+          emptyDir: {}
+---
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    component: maildev
+    application: test-maildev
+    kontinuous/deployment: test-maildev-feature-branch-1-ffac537e6cbbf934b08745a-5iniqvup
+    kontinuous/deployment.env: test-maildev-prod
+    kontinuous/ref: feature-branch-1
+    kontinuous/gitSha: ffac537e6cbbf934b08745a378932722df287a53
+    kontinuous/appVersion: ffac537e6cbbf934b08745a378932722df287a53
+    kontinuous/resourceName: service-maildev-43k23ywy
+    app.kubernetes.io/manifest-managed-by: kontinuous
+    app.kubernetes.io/manifest-created-by: kontinuous
+  name: maildev
+  annotations:
+    kontinuous/chartPath: project.fabrique.maildev.maildev
+    kontinuous/source: project/charts/fabrique/charts/maildev/charts/maildev/templates/service.yaml
+    kontinuous/deployment: test-maildev-feature-branch-1-ffac537e6cbbf934b08745a-5iniqvup
+  namespace: test-maildev
+spec:
+  ports:
+    - name: http
+      port: 1080
+      targetPort: 1080
+    - name: smtp
+      port: 1025
+      targetPort: 1025
+  selector:
+    component: maildev
+  type: ClusterIP
+---
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  annotations:
+    kubernetes.io/ingress.class: nginx
+    kontinuous/chartPath: project.fabrique.maildev.maildev
+    kontinuous/source: project/charts/fabrique/charts/maildev/charts/maildev/templates/ingress.yaml
+    kontinuous/deployment: test-maildev-feature-branch-1-ffac537e6cbbf934b08745a-5iniqvup
+    cert-manager.io: cluster-issuer
+    cert-manager.io/cluster-issuer: letsencrypt-prod
+    kubernetes.io/tls-acme: \\"true\\"
+  labels:
+    component: maildev
+    application: test-maildev
+    kontinuous/deployment: test-maildev-feature-branch-1-ffac537e6cbbf934b08745a-5iniqvup
+    kontinuous/deployment.env: test-maildev-prod
+    kontinuous/ref: feature-branch-1
+    kontinuous/gitSha: ffac537e6cbbf934b08745a378932722df287a53
+    kontinuous/appVersion: ffac537e6cbbf934b08745a378932722df287a53
+    kontinuous/resourceName: ingress-maildev-3q61sa35
+    app.kubernetes.io/manifest-managed-by: kontinuous
+    app.kubernetes.io/manifest-created-by: kontinuous
+  name: maildev
+  namespace: test-maildev
+spec:
+  rules:
+    - host: maildev-test-maildev.fabrique.social.gouv.fr
+      http:
+        paths:
+          - backend:
+              service:
+                name: maildev
+                port:
+                  name: http
+            path: /
+            pathType: Prefix
+  tls:
+    - hosts:
+        - maildev-test-maildev.fabrique.social.gouv.fr
+      secretName: maildev-crt
+"
+`;
diff --git a/packages/kontinuous/tests/samples/maildev/config.yaml b/packages/kontinuous/tests/samples/maildev/config.yaml
new file mode 100644
index 0000000000..b7df8496f9
--- /dev/null
+++ b/packages/kontinuous/tests/samples/maildev/config.yaml
@@ -0,0 +1,3 @@
+dependencies:
+  fabrique:
+    import: socialgouv/kontinuous/plugins/fabrique
diff --git a/packages/kontinuous/tests/samples/maildev/env/prod/values.yaml b/packages/kontinuous/tests/samples/maildev/env/prod/values.yaml
new file mode 100644
index 0000000000..0967ef424b
--- /dev/null
+++ b/packages/kontinuous/tests/samples/maildev/env/prod/values.yaml
@@ -0,0 +1 @@
+{}
diff --git a/packages/kontinuous/tests/samples/maildev/values.yaml b/packages/kontinuous/tests/samples/maildev/values.yaml
new file mode 100644
index 0000000000..7354eb61d9
--- /dev/null
+++ b/packages/kontinuous/tests/samples/maildev/values.yaml
@@ -0,0 +1 @@
+maildev: {}