restructure flux folders

kubernetes/fluxcd/README.md

@@ -98,6 +98,12 @@ flux bootstrap github \
   --path=kubernetes/fluxcd/clusters/dev-cluster \
   --personal \
   --branch fluxcd-2022
+
+flux check
+
+# flux manages itself using GitOps objects:
+kubectl -n flux-system get GitRepository
+kubectl -n flux-system get Kustomization
 ```
 
 Check the source code that `flux bootstrap` created 
@@ -105,3 +111,34 @@ Check the source code that `flux bootstrap` created
 ```
 git pull origin <branch-name>
 ```
+
+# Repository structure 
+
+https://fluxcd.io/flux/guides/repository-structure/
+
+* Mono Repo
+* Repo per team
+* Repo per app
+
+```
+- apps
+  - example-app-1
+  - example-app-2
+- infrastructure
+  - ingress-nginx
+  - monitoring
+- clusters
+  -dev-cluster
+  -prod-cluster
+```
+
+## build our app
+
+```
+cd kubernetes\fluxcd\apps\example-app-1\src
+
+docker build . -t example-app-1:0.0.1
+
+#load the image to our test cluster so we dont need to push to a registry
+kind load docker-image example-app-1:0.0.1 --name fluxcd 
+```

kubernetes/fluxcd/repositories/config/clusters/dev-cluster/flux-system/gotk-sync.yaml

@@ -20,7 +20,7 @@ metadata:
   namespace: flux-system
 spec:
   interval: 10m0s
-  path: ./kubernetes/fluxcd/clusters/dev-cluster
+  path: ./kubernetes/fluxcd/repositories/config/clusters/dev-cluster
   prune: true
   sourceRef:
     kind: GitRepository

kubernetes/fluxcd/repositories/example-app-1/deploy/configmap.yaml

@@ -0,0 +1,9 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: example-app-1
+data:
+  config.json: |
+    {
+      "environment" : "dev"
+    }

kubernetes/fluxcd/repositories/example-app-1/deploy/deployment.yaml

@@ -0,0 +1,34 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: example-app-1
+  labels:
+    app: example-app-1
+spec:
+  selector:
+    matchLabels:
+      app: example-app-1
+  replicas: 2
+  strategy:
+    type: RollingUpdate
+    rollingUpdate:
+      maxSurge: 1
+      maxUnavailable: 0
+  template:
+    metadata:
+      labels:
+        app: example-app-1
+    spec:
+      containers:
+      - name: example-app-1
+        image: example-app-1:0.0.1
+        imagePullPolicy: Always
+        ports:
+        - containerPort: 5000
+        volumeMounts:
+        - name: config-volume
+          mountPath: /configs/
+      volumes:
+      - name: config-volume
+        configMap:
+          name: example-app-1

kubernetes/fluxcd/repositories/example-app-1/deploy/service.yaml

@@ -0,0 +1,15 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: example-app-1
+  labels:
+    app: example-app-1
+spec:
+  type: ClusterIP
+  selector:
+    app: example-app-1
+  ports:
+    - protocol: TCP
+      name: http
+      port: 80
+      targetPort: 5000

kubernetes/fluxcd/repositories/example-app-1/src/app.py

@@ -0,0 +1,6 @@
+from flask import Flask
+app = Flask(__name__)
+
+@app.route("/")
+def hello():
+    return "Hello World!"

kubernetes/fluxcd/repositories/example-app-1/src/dockerfile

@@ -0,0 +1,8 @@
+FROM python:3.7.3-alpine3.9 as base
+
+RUN pip install Flask==2.0.3
+
+WORKDIR /app
+COPY app.py /app/
+ENV FLASK_APP=app.py
+CMD flask run -h 0.0.0 -p 5000