Merge pull request #2 from sj-williams/updates

update most content

.github/workflows/docker-build-push.yml

@@ -0,0 +1,34 @@
+name: Publish Docker image
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  push_to_registry:
+    name: Push Docker image to Docker Hub
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out the repo
+        uses: actions/checkout@v3
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@f4ef78c080cd8ba55a85445d5b36e214a81df20a
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
+        with:
+          images: sj-williams/go-simple-server
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@3b5e8027fcad23fda98b2e3ac259d8d67585f671
+        with:
+          context: .
+          file: ./Dockerfile
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

Dockerfile

@@ -1,16 +1,27 @@
 # syntax=docker/dockerfile:1
+FROM golang:1.21-alpine AS builder
 
-FROM golang:1.18-alpine
+RUN addgroup -g 1000 -S appgroup && \
+    adduser -u 1000 -S appuser -G appgroup
 
-WORKDIR /app
+WORKDIR /src
 
-COPY go.mod ./
-RUN go mod download
+COPY server.go .
 
-COPY *.go ./
+RUN go build -o /bin/server ./server.go
 
-RUN go build -o /server
+RUN chown -R appuser:appgroup /bin
+
+FROM scratch
+
+# Copy static executable
+COPY --from=builder /bin/server /bin/server
+
+# Copy the user and group files from the builder stage
+COPY --from=builder /etc/passwd /etc/passwd
+
+USER 1000
 
 EXPOSE 8080
 
-CMD [ "/server" ]
+CMD ["/bin/server"]

README.md

@@ -1,5 +1,9 @@
 # go-simple-server
 
-Just setting up to check git tools setup and working
+Super simple go http server for network testing etc
 
-Added github actions for docker build, testing with new branch.
+## Use
+
+```bash
+curl -d "username=myuser&password=1234" http://localhost:8080/
+```

deployment/deployment.yaml

@@ -0,0 +1,17 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: go-simple-server
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: go-simple-server
+  template:
+    metadata:
+      labels:
+        app: go-simple-server
+    spec:
+      containers:
+      - name: go-simple-server
+        image: #

deployment/service.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: go-simple-server-service
+spec:
+  selector:
+    app: go-simple-server
+  ports:
+    - name: http
+      port: 8080
+      targetPort: 8080

go.mod

@@ -1,3 +1,3 @@
-module example.com/server
+module github.com/sj-williams/go-simple-server
 
-go 1.18
+go 1.20

server.go

@@ -1,15 +1,22 @@
 package main
 
 import (
-    "fmt"
-    "net/http"
+	"fmt"
+	"net/http"
 )
 
-func helloWorld(w http.ResponseWriter, r *http.Request){
-    fmt.Fprintf(w, "Hello, World!")
-}
-
 func main() {
-    http.HandleFunc("/", helloWorld)
-    http.ListenAndServe(":8080", nil)
-}
+	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		username := r.FormValue("username")
+		password := r.FormValue("password")
+
+		if username != "admin" || password != "DummyPassword" {
+			http.Error(w, "Unauthorized", http.StatusUnauthorized)
+			return
+		}
+
+		fmt.Fprintf(w, "Welcome, %s!", username)
+	})
+
+	http.ListenAndServe(":8080", nil)
+}