Files
ds-galo/backend/cmd/server/main.go
T
iu 96268ee16c feat(photos): separate object storage from metadata layer
Move physical file facts out of the photos table into an objects ledger:

- objects / photo_objects / variant_jobs tables (migration 000008)
- drop storage_key/thumb_key/preview_key/size/width/height/mime_type from
  photos (migration 000009); they are derived via joins to the original object
- album-free storage keys: objects/{id}/{role}.{ext}
- explicit GC via pending/ready/deleting states; objects deleted only when no
  photo references them
- background worker drives variant generation (durable variant_jobs) and GC
- copy/move are metadata-only; storage objects are shared between photos
- remove unused storage.DeletePrefix

Non-destructive to the external JSON API: size/dimensions/mime and URLs are
still returned, just sourced from the object layer.

OpenSpec change: media-object-layer
2026-10-10 23:31:41 +03:00

118 lines
2.5 KiB
Go

package main
import (
"bufio"
"context"
"errors"
"io/fs"
"log/slog"
"net/http"
"os"
"os/signal"
"strings"
"syscall"
"time"
assets "shared-album"
"shared-album/internal/app"
"shared-album/internal/config"
"shared-album/internal/db"
"shared-album/internal/sse"
"shared-album/internal/storage"
)
func main() {
loadDotEnv(".env")
loadDotEnv("../.env")
logger := slog.New(slog.NewJSONHandler(os.Stdout, &slog.HandlerOptions{Level: slog.LevelInfo}))
slog.SetDefault(logger)
cfg, err := config.Load()
if err != nil {
slog.Error("config error", "error", err)
os.Exit(1)
}
ctx, stop := signal.NotifyContext(context.Background(), syscall.SIGINT, syscall.SIGTERM)
defer stop()
migFS, err := fs.Sub(assets.Migrations, "migrations")
if err != nil {
slog.Error("migrations fs", "error", err)
os.Exit(1)
}
if err := db.Migrate(cfg.Postgres.DSN(), migFS); err != nil {
slog.Error("migration failed", "error", err)
os.Exit(1)
}
slog.Info("migrations applied")
pool, err := db.Connect(ctx, cfg.Postgres.DSN())
if err != nil {
slog.Error("database connect failed", "error", err)
os.Exit(1)
}
defer pool.Close()
store, err := storage.New(ctx, cfg.S3)
if err != nil {
slog.Error("storage init failed", "error", err)
os.Exit(1)
}
if err := store.EnsureBucket(ctx); err != nil {
slog.Warn("could not ensure bucket", "error", err)
} else {
slog.Info("storage bucket ready", "bucket", store.Bucket())
}
hub := sse.NewHub(cfg.SSE.ClientBuffer)
server := app.New(cfg, pool, store, hub)
go server.StartWorker(ctx)
httpServer := &http.Server{
Addr: cfg.Server.Addr,
Handler: server.Router(),
ReadHeaderTimeout: 10 * time.Second,
}
go func() {
slog.Info("listening", "addr", cfg.Server.Addr)
if err := httpServer.ListenAndServe(); err != nil && !errors.Is(err, http.ErrServerClosed) {
slog.Error("server error", "error", err)
stop()
}
}()
<-ctx.Done()
slog.Info("shutting down")
shutdownCtx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
_ = httpServer.Shutdown(shutdownCtx)
}
func loadDotEnv(path string) {
f, err := os.Open(path)
if err != nil {
return
}
defer f.Close()
scanner := bufio.NewScanner(f)
for scanner.Scan() {
line := strings.TrimSpace(scanner.Text())
if line == "" || strings.HasPrefix(line, "#") {
continue
}
key, value, ok := strings.Cut(line, "=")
if !ok {
continue
}
key = strings.TrimSpace(key)
value = strings.TrimSpace(value)
if _, exists := os.LookupEnv(key); !exists {
_ = os.Setenv(key, value)
}
}
}