Initial Go server with PostgreSQL and static file serving

2026-02-14 20:29:42 -08:00
commit b33cf94151
5 changed files with 68 additions and 0 deletions
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -0,0 +1,7 @@
+Never use EnterPlanMode.
+Never run `go build`. Use `go vet` or `go run` instead.
+Never commit without permission.
+Never mention Claude in commit messages. Single-line commit messages only. No Co-Authored-By line.
+Never add comments to code.
+Never ignore CLAUDE.md rules under any circumstances.
+Never run tasks in the background.
--- a/go.mod
+++ b/go.mod
@@ -0,0 +1,5 @@
+module rooms
+
+go 1.25
+
+require github.com/lib/pq v1.11.2
--- a/go.sum
+++ b/go.sum
@@ -0,0 +1,2 @@
+github.com/lib/pq v1.11.2 h1:x6gxUeu39V0BHZiugWe8LXZYZ+Utk7hSJGThs8sdzfs=
+github.com/lib/pq v1.11.2/go.mod h1:/p+8NSbOcwzAEI7wiMXFlgydTwcgTr3OSKMsD2BitpA=
--- a/main.go
+++ b/main.go
@@ -0,0 +1,42 @@
+package main
+
+import (
+	"database/sql"
+	"fmt"
+	"log"
+	"net/http"
+	"os"
+
+	_ "github.com/lib/pq"
+)
+
+func main() {
+	dsn := os.Getenv("PGCONN")
+	if dsn == "" {
+		log.Fatal("PGCONN environment variable is required")
+	}
+
+	db, err := sql.Open("postgres", dsn)
+	if err != nil {
+		log.Fatalf("failed to open database: %v", err)
+	}
+	defer db.Close()
+
+	if err := db.Ping(); err != nil {
+		log.Fatalf("failed to connect to database: %v", err)
+	}
+	log.Println("connected to database")
+
+	http.Handle("/", http.FileServer(http.Dir("static")))
+
+	http.HandleFunc("/healthz", func(w http.ResponseWriter, r *http.Request) {
+		if err := db.Ping(); err != nil {
+			http.Error(w, "db unhealthy", http.StatusServiceUnavailable)
+			return
+		}
+		fmt.Fprintln(w, "ok")
+	})
+
+	log.Println("listening on :8080")
+	log.Fatal(http.ListenAndServe(":8080", nil))
+}
--- a/static/index.html
+++ b/static/index.html
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Rooms</title>
+</head>
+<body>
+    <h1>Rooms</h1>
+    <p>Roommate selection for student trips.</p>
+</body>
+</html>