Containerize the webserver

3 files changed, 51 insertions, 2 deletions

diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..a5d236c
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,18 @@
+# build
+FROM golang:1.25.4-alpine AS builder
+WORKDIR /app
+COPY go.mod go.sum ./
+RUN go mod download
+COPY . .
+RUN CGO_ENABLED=0 GOOS=linux go build -o main ./cmd/main.go
+
+# run
+FROM alpine:latest
+WORKDIR /app
+COPY --from=builder /app/main .
+COPY --from=builder /app/views ./views
+COPY --from=builder /app/css ./css
+COPY --from=builder /app/js ./js
+
+EXPOSE 8080
+CMD ["./main"]
diff --git a/cmd/main.go b/cmd/main.go
index cd8d4fe..24ba0c9 100644
--- a/cmd/main.go
+++ b/cmd/main.go
@@ -1,14 +1,31 @@
 package main
 
 import (
+	"fmt"
 	"log"
+	"os"
 
 	"git.mithe.dk/web-portfolio/internal"
 )
 
 func main() {
-	server := internal.NewSever()
-	if err := server.Start("localhost:42069"); err != nil {
+	port := os.Getenv("PORT")
+	if port == "" {
+		port = "42069"
+	}
+
+	// In Docker, listen on 0.0.0.0; locally use localhost
+	host := os.Getenv("HOST")
+	if host == "" {
+		host = "0.0.0.0"
+	}
+
+	addr := fmt.Sprintf("%s:%s", host, port)
+
+	server := internal.NewServer()
+	log.Printf("Starting server on %s", addr)
+
+	if err := server.Start(addr); err != nil {
 		log.Fatal(err)
 	}
 }
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 0000000..0709354
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,14 @@
+services:
+  web:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    ports:
+      - "8080:8080"
+    environment:
+      - PORT=8080
+    volumes:
+      - ./views:/app/views
+      - ./css:/app/css
+      - ./js:/app/js
+    restart: unless-stopped