Initial commit

master
Erki Aas 3 months ago
commit 924174d4ae
  1. 6
      .dockerignore
  2. 6
      .gitignore
  3. 20
      Dockerfile
  4. 22
      README.md
  5. 56
      k8s/dev/application.yaml
  6. 0
      k8s/staging/.gitkeep
  7. 21
      package.json
  8. 14
      server.js
  9. 34
      skaffold.yaml

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./node_modules
./build
.git
*.md
.gitignore
.idea/

6
.gitignore vendored

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.vscode
.idea/
.env
node_nodules/
.kpt-pipeline/

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# pull official node image
FROM node AS dev
# define /app as working directory
WORKDIR /app
# copy package.json and package-lock.json to /app
COPY package.json /app
COPY package-lock.json /app
# install node dependencies
RUN npm install
COPY . /app
# launch node server
ENTRYPOINT npm run dev
# production
FROM dev AS prod
ENTRYPOINT npm run start

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# Node.js and skaffold example
## How to get going?
1. Change `image` URLs in `skaffold.yaml` according to your desired image registry and image name
2. Change `ingress` definition in `k8s/dev/application.yml`:
- Traefik's URL `external-dns.alpha.kubernetes.io/target:`
- `- host:`
3. Attempt to run Skaffold:
- `skaffold dev --namespace <your Kubernetes namespace> [--kube-context <your kubeconfig context, if applicable>]`
4. When working and finished, you can leave the application running:
- copy `k8s/dev/application.yml` to `k8s/staging/`
- run `skaffold run` with the same parameters as earlier
## How to use harbor.codemowers.eu
1. Log in in web browser
2. Create a project or use one destined for you
3. Make it public in the `Configuration` tab so that Kubernetes can easily download the image (do not do this for actual production applications)
4. Create a robot account in `Robot Accounts tab`
- Name the account in some way, give it some expiring date
- Keep the modal with login open
- Run `docker login --username <robot-acc-username> --password <robot-acc-password> harbor.codemowers.eu`.
**Beware!** Harbor uses `$` character in the username which bash and other shells would interpret as start of an variable.
Escape it with `\ `, like so: `docker login --username robot\$eaas+docker --password ...`

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---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: node-skaffold-example
annotations:
kubernetes.io/ingress.class: traefik
traefik.ingress.kubernetes.io/router.entrypoints: websecure
traefik.ingress.kubernetes.io/router.tls: "true"
external-dns.alpha.kubernetes.io/target: traefik-c7ra9.codemowers.ee
spec:
rules:
- host: hello-c7ra9.codemowers.ee
http:
paths:
- pathType: Prefix
path: "/"
backend:
service:
name: node-skaffold-example
port:
number: 8080
tls:
- hosts:
- "*.codemowers.ee"
---
apiVersion: v1
kind: Service
metadata:
name: node-skaffold-example
spec:
type: ClusterIP
selector:
app: node-skaffold-example
ports:
- protocol: TCP
port: 8080
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: node-skaffold-example
spec:
selector:
matchLabels:
app: node-skaffold-example
template:
metadata:
labels:
app: node-skaffold-example
spec:
containers:
- name: node-skaffold-example
image: harbor.codemowers.eu/eaas/node-skaffold-example
ports:
- containerPort: 8080

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{
"name": "app",
"version": "1.0.0",
"description": "",
"main": "server.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1",
"dev": "nodemon server.js -e ejs,js,css,html,jpg,png,scss",
"prod": "node.js server.js"
},
"keywords": [],
"author": "",
"license": "ISC",
"dependencies": {
"cors": "^2.8.5",
"express": "^4.17.2",
},
"devDependencies": {
"nodemon": "^2.0.20"
}
}

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const http = require('http');
const host = '0.0.0.0';
const port = 8080;
const server = http.createServer((req, res) => {
res.statusCode = 200;
res.setHeader('Content-Type', 'text/plain');
res.end('Hello World!');
});
server.listen(port, host, () => {
console.log('Web server running at http://%s:%s',host,port );
});

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apiVersion: skaffold/v3alpha1
kind: Config
metadata:
name: node-skaffold-example
build:
artifacts:
- image: harbor.codemowers.eu/eaas/node-skaffold-example
docker:
dockerfile: Dockerfile
deploy:
kubectl: {}
manifests:
rawYaml:
- k8s/staging/application.yaml
profiles:
- name: dev
activation:
- command: dev
build:
artifacts:
- image: harbor.codemowers.eu/eaas/node-skaffold-example
docker:
target: dev
sync:
manual:
- src: '**/*.js'
dest: .
manifests:
rawYaml:
- k8s/dev/application.yaml
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