introduction to argo with examples

argo/argo-cd/app.yaml

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+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: test2
+  namespace: argocd
+spec:
+  project: default
+  source:
+    repoURL: https://github.com/marcel-dempers/docker-development-youtube-series.git
+    targetRevision: HEAD
+    path: argo/example-app
+  destination:
+    server: https://kubernetes.default.svc
+    namespace: test

argo/argo-cd/create-in-cluster-app.md

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+
+CLI
+```
+argocd app create --name test \
+--repo https://github.com/marcel-dempers/docker-development-youtube-series \
+--dest-server https://kubernetes.default.svc \
+--dest-namespace marcel --path kubernetes
+```
+
+YAML
+
+```
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: test
+  namespace: marcel
+spec:
+  project: default
+  source:
+    repoURL: https://github.com/marcel-dempers/docker-development-youtube-series.git
+    targetRevision: HEAD
+    path: argo/example-app
+  destination:
+    server: https://kubernetes.default.svc
+    namespace: marcel
+```
+

argo/example-app/configmaps/configmap.yaml

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+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: example-config
+data:
+  config.json: |
+    {
+      "environment" : "dev"
+    }
+# kubectl create configmap example-config --from-file ./golang/configs/config.json

argo/example-app/deployments/deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: example-deploy
+  labels:
+    app: example-app
+  annotations:
+spec:
+  selector:
+    matchLabels:
+      app: example-app
+  replicas: 2
+  strategy:
+    type: RollingUpdate
+    rollingUpdate:
+      maxSurge: 1
+      maxUnavailable: 0
+  template:
+    metadata:
+      labels:
+        app: example-app
+    spec:
+      containers:
+      - name: example-app
+        image: aimvector/python:1.0.0
+        imagePullPolicy: Always
+        ports:
+        - containerPort: 5000
+        livenessProbe:
+          httpGet:
+            path: /status
+            port: 5000
+          initialDelaySeconds: 3
+          periodSeconds: 3
+        resources:
+          requests:
+            memory: "64Mi"
+            cpu: "50m"
+          limits:
+            memory: "256Mi"
+            cpu: "500m"
+        volumeMounts:
+        - name: secret-volume
+          mountPath: /secrets/
+        - name: config-volume
+          mountPath: /configs/
+      volumes:
+      - name: secret-volume
+        secret:
+          secretName: mysecret
+      - name: config-volume
+        configMap:
+          name: example-config #name of our configmap object

argo/example-app/deployments/readme.md

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+# Deployments
+
+Build an example app:
+
+```
+#   Important!
+#   make sure you are at root of the repository
+#   in your terminal
+
+#   you can choose which app you want to build!
+
+
+#   aimvector/golang:1.0.0
+docker-compose build golang
+
+
+#   aimvector/csharp:1.0.0
+docker-compose build csharp
+
+#   aimvector/nodejs:1.0.0
+docker-compose build nodejs
+
+#   aimvector/python:1.0.0
+docker-compose build python
+
+```
+
+Take a look at example [deployment yaml](./deployment.yaml)

argo/example-app/secrets/secret.yaml

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+apiVersion: v1
+kind: Secret
+metadata:
+  name: mysecret
+type: Opaque
+stringData:
+  secret.json: |-
+    {
+      "api_key" : "somesecretgoeshere"
+    }
+
+#kubectl create secret generic mysecret --from-file .\golang\secrets\secret.json

argo/example-app/services/service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: example-service
+spec:
+  selector:
+    app: example-app
+  ports:
+    - protocol: TCP
+      port: 80
+      targetPort: 5000