Example helloworld test web application

  Last updated 2023-02-24

IMPORTANT

This guide only applies to Next-Gen WAF customers with access to the Next-Gen WAF control panel. If you have access to the Next-Gen WAF product in the Fastly control panel, you can only deploy the Next-Gen WAF with the Edge WAF deployment method.

This uses the helloworld example included with the Next-Gen WAF Golang module as a test web application named helloworld.

See main.go in the sigsci-module-golang helloworld example.

Dockerfile

Dockerfile to build the signalsciences/example-helloworld container:

$ docker build . -t signalsciences/example-helloworld:latest
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FROM golang:1.13


# Image metadata
LABEL com.signalsciences.sigsci-module-golang.examples="helloworld"
LABEL maintainer="Signal Sciences <support@fastly.com>"


# Install sigsci golang module (with examples)
RUN go get github.com/signalsciences/sigsci-module-golang


# Use the helloworld example as the test app
WORKDIR /go/src/github.com/signalsciences/sigsci-module-golang/examples


ENTRYPOINT [ "go", "run", "./helloworld" ]

Kubernetes deployment file

Kubernetes example-helloworld deployment file (without the Next-Gen WAF agent):

$ kubectl apply -f example-helloworld.yaml
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apiVersion: v1
kind: Service
metadata:
  name: helloworld
  labels:
    app: helloworld
spec:
  ports:
  - name: http
    port: 8000
    targetPort: 8000
  selector:
    app: helloworld
  type: LoadBalancer
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: helloworld
  labels:
    app: helloworld
spec:
  replicas: 2
  selector:
    matchLabels:
      app: helloworld
  template:
    metadata:
      labels:
        app: helloworld
    spec:
      containers:
      - name: helloworld
        image: signalsciences/example-helloworld:latest
        imagePullPolicy: IfNotPresent
        args:
        # Address for the app to listen on
        - localhost:8000
        ports:
        - containerPort: 8000
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