static-to-cluster-gateway

#!/bin/bash

set -e

usage () {
    printf "Usage:\n  $0 <directory> <domain.com> [<version>]\n"
}

if [ $# -lt 2 ]; then
    usage
    exit 1
fi

dir=$1
domain=$2
version=${3:-1.0.0}
repo=ijmacd
image=$repo/$domain:$version
name=${domain%%.*}

echo "Deploying directory '$dir' as $image to https://$domain"

if [[ ! -d $dir ]]; then
    echo "Cannot find directory '$dir'"
    exit 1
fi

docker build -t $image --push -f - . << EOF
FROM nginx:1.27.4
COPY "$dir" /usr/share/nginx/html
EOF

kubectl apply -f - << EOF
apiVersion: apps/v1
kind: Deployment
metadata:
  name: "$name-web"
  labels:
    app.kubernetes.io/name: "static-to-cluster"
    app.kubernetes.io/instance: "$domain"
    app.kubernetes.io/version: "$version"
    app.kubernetes.io/component: web
spec:
  replicas: 1
  selector:
    matchLabels:
      app.kubernetes.io/component: web
      app.kubernetes.io/instance: "$domain"
  template:
    metadata:
      labels:
        app.kubernetes.io/component: web
        app.kubernetes.io/instance: "$domain"
    spec:
      containers:
        - name: web
          image: "$image"
          ports:
            - name: web
              containerPort: 80
---
apiVersion: v1
kind: Service
metadata:
  name: "$name-web"
  labels:
    app.kubernetes.io/component: web
    app.kubernetes.io/name: "static-to-cluster"
    app.kubernetes.io/instance: "$domain"
spec:
  selector:
    app.kubernetes.io/component: web
    app.kubernetes.io/instance: "$domain"
  ports:
    - protocol: TCP
      name: "web"
      port: 80
      targetPort: web
---
apiVersion: gateway.networking.k8s.io/v1
kind: HTTPRoute
metadata:
  name: '$name-web'
spec:
  hostnames:
    - "$domain"
  parentRefs:
    - group: gateway.networking.k8s.io
      kind: Gateway
      name: gateway
      namespace: default
      sectionName: https
  rules:
    - backendRefs:
        - group: ''
          kind: Service
          name: '$name-web'
          port: 80
          weight: 1
      matches:
        - path:
            type: PathPrefix
            value: /
EOF

echo "In a few minutes the site will be available at https://$domain"