Files
osdb-1-claude-opusplan/backend/cmd/server/main.go
T
juliaandClaude Sonnet 4.6 4d28916c7b fix: address code review findings from story #01
- Makefile: -include .env (soft) so fresh clone doesn't hard-fail
- main.go: replace log.Fatalf-in-goroutine with error channel; startup
  failures now reach main goroutine so defer pool.Close() always runs
- main.go: context.WithTimeout(30s) on database.Connect to fail fast
  instead of hanging indefinitely on unreachable Postgres
- router.go: store pool on Echo context via middleware so future story
  handlers can retrieve it with c.Get("pool")
- config.go: require DATABASE_URL explicitly (log.Fatal if missing)
  instead of falling back to hardcoded credentials
- HelloWorld.test.ts: URL-aware fetch stub + afterEach restoreAllMocks;
  add flushPromises test verifying backend status renders

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-06-16 17:14:29 +02:00

87 lines
2.0 KiB
Go

package main
import (
"context"
"fmt"
"log"
"net/http"
"os"
"os/signal"
"syscall"
"time"
"osdb/internal/config"
"osdb/internal/database"
"osdb/internal/migrate"
)
func main() {
cfg := config.Load()
args := os.Args[1:]
switch {
case len(args) >= 1 && args[0] == "migrate":
if len(args) >= 2 && args[1] == "down" {
if err := migrate.Down(cfg.DatabaseURL); err != nil {
log.Fatalf("migrate down: %v", err)
}
log.Println("migrate down: done")
} else {
if err := migrate.Up(cfg.DatabaseURL); err != nil {
log.Fatalf("migrate up: %v", err)
}
log.Println("migrate up: applied")
}
return
default:
serve(cfg)
}
}
func serve(cfg *config.Config) {
// Use a timeout context for the initial DB connection so a slow/unreachable
// Postgres doesn't block server startup indefinitely.
connectCtx, connectCancel := context.WithTimeout(context.Background(), 30*time.Second)
defer connectCancel()
pool, err := database.Connect(connectCtx, cfg.DatabaseURL)
if err != nil {
log.Fatalf("database connect: %v", err)
}
defer pool.Close()
log.Println("database: connected")
e := New(pool)
// Start server; signal failures via a channel so the main goroutine can
// handle them without calling os.Exit from a goroutine (which would skip
// all deferred cleanup, including pool.Close).
startErr := make(chan error, 1)
go func() {
addr := fmt.Sprintf(":%s", cfg.Port)
log.Printf("server: listening on %s", addr)
if err := e.Start(addr); err != nil && err != http.ErrServerClosed {
startErr <- err
}
}()
// Graceful shutdown on SIGINT / SIGTERM or fatal startup error.
quit := make(chan os.Signal, 1)
signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
select {
case err := <-startErr:
log.Fatalf("server: %v", err)
case <-quit:
}
log.Println("server: shutting down")
shutdownCtx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
if err := e.Shutdown(shutdownCtx); err != nil {
log.Printf("server: shutdown error: %v", err)
}
}