postgres and hello world server

helloworld.yaml

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+# Save the output of this file and use kubectl create -f to import
+# it into Kubernetes.
+#
+# Created with podman-4.3.1
+apiVersion: v1
+kind: Pod
+metadata:
+  annotations:
+    io.kubernetes.cri-o.TTY/helloworld: "false"
+    io.podman.annotations.autoremove/helloworld: "FALSE"
+    io.podman.annotations.init/helloworld: "FALSE"
+    io.podman.annotations.privileged/helloworld: "FALSE"
+    io.podman.annotations.publish-all/helloworld: "FALSE"
+  labels:
+    app: helloworld-pod
+  name: helloworld-pod
+spec:
+  automountServiceAccountToken: false
+  containers:
+  - image: us-docker.pkg.dev/google-samples/containers/gke/hello-app:1.0
+    name: helloworld
+    ports:
+    - containerPort: 8080
+      hostPort: 8080
+    securityContext:
+      capabilities:
+        drop:
+        - CAP_MKNOD
+        - CAP_NET_RAW
+        - CAP_AUDIT_WRITE
+  enableServiceLinks: false
+

postgres-deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: postgres
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: postgres
+  template:
+    metadata:
+      labels:
+        app: postgres
+    spec:
+      containers:
+        - name: postgres
+          image: docker.io/library/postgres:14
+          imagePullPolicy: "IfNotPresent"
+          ports:
+            - containerPort: 5432
+            - hostPort: 5432
+          env:
+            - name: POSTGRES_USER
+              value: admin
+            - name: POSTGRES_PASSWORD
+              value: water
+            - name: POSTGRES_DB
+              value: defaultdb
+
+          volumeMounts:
+            - mountPath: /var/lib/postgresql/data
+              name: postgredb
+      volumes:
+        - name: postgredb
+          persistentVolumeClaim:
+            claimName: postgres-pv-claim

postgres-pvc.yaml

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+# this is the persistent volume for your postgres instance
+
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: postgresql-pv-claim
+spec:
+  storageClassName: manual
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 5Gi

run.sh

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+#!/bin/bash
+
+echo "if there is an error, make sure to prune the volume and then rerun this script" &&
+
+podman volume prune &&
+
+podman play kube postgres-pvc.yaml --replace &&
+podman play kube postgres-deployment.yaml --replace &&
+podman play kube helloworld.yaml --replace
+