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package main
import (
"context"
"fmt"
"log"
"net/http"
"time"
"github.com/jackc/pgx/v5/pgxpool"
"github.com/labstack/echo/v4"
"github.com/labstack/echo/v4/middleware"
oapimiddleware "github.com/oapi-codegen/echo-middleware"
"golang.org/x/time/rate"
"albatross-2026-backend/admin"
"albatross-2026-backend/api"
"albatross-2026-backend/config"
"albatross-2026-backend/db"
"albatross-2026-backend/game"
"albatross-2026-backend/ratelimit"
"albatross-2026-backend/taskqueue"
)
func connectDB(ctx context.Context, dsn string) (*pgxpool.Pool, error) {
pool, err := pgxpool.New(ctx, dsn)
if err != nil {
return nil, err
}
if err := pool.Ping(ctx); err != nil {
return nil, err
}
return pool, nil
}
func main() {
var err error
conf, err := config.NewConfigFromEnv()
if err != nil {
log.Fatalf("Error loading env %v", err)
}
openAPISpec, err := api.GetSwaggerWithPrefix(conf.BasePath + "api")
if err != nil {
log.Fatalf("Error loading OpenAPI spec\n: %s", err)
}
ctx := context.Background()
dbDSN := fmt.Sprintf("host=%s port=%s user=%s password=%s dbname=%s sslmode=disable", conf.DBHost, conf.DBPort, conf.DBUser, conf.DBPassword, conf.DBName)
connPool, err := connectDB(ctx, dbDSN)
if err != nil {
log.Fatalf("Error connecting to db %v", err)
}
defer connPool.Close()
queries := db.New(connPool)
e := echo.New()
e.Renderer = admin.NewRenderer()
e.Use(middleware.RequestLogger())
e.Use(middleware.Recover())
taskQueue := taskqueue.NewQueue("task-db:6379")
workerServer := taskqueue.NewWorkerServer("task-db:6379")
gameHub := game.NewGameHub(queries, taskQueue, workerServer)
loginRL := ratelimit.NewIPRateLimiter(rate.Every(time.Minute/5), 5)
apiGroup := e.Group(conf.BasePath + "api")
apiGroup.Use(ratelimit.LoginRateLimitMiddleware(loginRL))
apiGroup.Use(api.SessionCookieMiddleware(queries))
apiGroup.Use(oapimiddleware.OapiRequestValidator(openAPISpec))
apiHandler := api.NewHandler(queries, gameHub, conf)
api.RegisterHandlers(apiGroup, api.NewStrictHandler(apiHandler, nil))
adminHandler := admin.NewHandler(queries, conf)
adminGroup := e.Group(conf.BasePath + "admin")
adminGroup.Use(api.SessionCookieMiddleware(queries))
adminHandler.RegisterHandlers(adminGroup)
if conf.IsLocal {
filesGroup := e.Group(conf.BasePath + "files")
filesGroup.Use(middleware.StaticWithConfig(middleware.StaticConfig{
Root: "/",
Filesystem: http.Dir("/data/files"),
IgnoreBase: true,
}))
e.GET(conf.BasePath+"*", func(c echo.Context) error {
return c.Redirect(http.StatusPermanentRedirect, "http://localhost:5173"+c.Request().URL.Path)
})
e.POST(conf.BasePath+"*", func(c echo.Context) error {
return c.Redirect(http.StatusPermanentRedirect, "http://localhost:5173"+c.Request().URL.Path)
})
// Allow access from dev server.
e.Use(middleware.CORSWithConfig(middleware.CORSConfig{
AllowOrigins: []string{"http://localhost:5173"},
AllowCredentials: true,
}))
}
sessionCleanupCtx, cancelSessionCleanup := context.WithCancel(context.Background())
defer cancelSessionCleanup()
go func() {
ticker := time.NewTicker(time.Hour)
defer ticker.Stop()
for {
select {
case <-sessionCleanupCtx.Done():
return
case <-ticker.C:
if err := queries.DeleteExpiredSessions(sessionCleanupCtx); err != nil {
log.Printf("failed to delete expired sessions: %v", err)
}
}
}
}()
go gameHub.Run()
if err := e.Start(":80"); err != http.ErrServerClosed {
log.Fatal(err)
}
}
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