- internal/config: typed Config struct loaded from env vars via godotenv; all fields from docs (listen addr, JWT, DB, storage, thumbs, import) - migrations/embed.go: embed FS so goose SQL files are baked into the binary - cmd/server/main.go: load config → connect pgxpool → goose migrations (embedded) → Gin server with GET /health returning 200 OK - .env.example: documents all required and optional env vars - go.mod: bump to Go 1.26, add gin/pgx/goose/godotenv as direct deps Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
67 lines
1.5 KiB
Go
67 lines
1.5 KiB
Go
package main
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import (
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"context"
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"log/slog"
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"net/http"
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"os"
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"github.com/gin-gonic/gin"
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"github.com/jackc/pgx/v5/pgxpool"
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"github.com/jackc/pgx/v5/stdlib"
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"github.com/pressly/goose/v3"
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"tanabata/backend/internal/config"
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"tanabata/backend/migrations"
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)
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func main() {
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cfg, err := config.Load()
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if err != nil {
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slog.Error("failed to load config", "err", err)
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os.Exit(1)
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}
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pool, err := pgxpool.New(context.Background(), cfg.DatabaseURL)
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if err != nil {
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slog.Error("failed to connect to database", "err", err)
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os.Exit(1)
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}
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defer pool.Close()
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if err := pool.Ping(context.Background()); err != nil {
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slog.Error("database ping failed", "err", err)
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os.Exit(1)
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}
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slog.Info("database connected")
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// Run migrations using the embedded FS.
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// stdlib.OpenDBFromPool wraps the pool in a *sql.DB without closing
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// the pool when the sql.DB is closed.
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migDB := stdlib.OpenDBFromPool(pool)
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goose.SetBaseFS(migrations.FS)
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if err := goose.SetDialect("postgres"); err != nil {
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slog.Error("goose dialect error", "err", err)
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os.Exit(1)
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}
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if err := goose.Up(migDB, "."); err != nil {
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slog.Error("migrations failed", "err", err)
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os.Exit(1)
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}
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migDB.Close()
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slog.Info("migrations applied")
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r := gin.New()
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r.Use(gin.Recovery())
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r.GET("/health", func(c *gin.Context) {
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c.Status(http.StatusOK)
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})
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slog.Info("starting server", "addr", cfg.ListenAddr)
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if err := r.Run(cfg.ListenAddr); err != nil {
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slog.Error("server error", "err", err)
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os.Exit(1)
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}
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}
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