| 1 | package main |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "errors" |
| 6 | "log" |
| 7 | "net/http" |
| 8 | "os" |
| 9 | "os/signal" |
| 10 | "strconv" |
| 11 | "syscall" |
| 12 | "time" |
| 13 | |
| 14 | "github.com/jackc/pgx/v5/pgxpool" |
| 15 | ) |
| 16 | |
| 17 | func main() { |
| 18 | ctx, stop := |
| 19 | defer stop() |
| 20 | databaseURL := os. |
| 21 | port := os. |
| 22 | if port == "" |
| 23 | port = "8080" |
| 24 | } |
| 25 | |
| 26 | if databaseURL == "" |
| 27 | log.Fatal("DATABASE_URL is not set |
| 28 | } |
| 29 | workers := 32 |
| 30 | if v := os |
| 31 | n, err := |
| 32 | if err != nil |
| 33 | log.Fatalf("WORKERS must be a positive integer, got |
| 34 | } |
| 35 | workers = n |
| 36 | } |
| 37 | pool, err := |
| 38 | if err != nil |
| 39 | log.Fatalf("unable to connect to database: |
| 40 | } |
| 41 | defer pool.Close() |
| 42 | |
| 43 | if err := pool |
| 44 | log.Fatalf("unable to connect to database: |
| 45 | } |
| 46 | |
| 47 | if _, err |
| 48 | log.Fatalf("delivery_job not found, run the migrations first: |
| 49 | } |
| 50 | |
| 51 | mux := http. |
| 52 | mux.HandleFunc("GET /health |
| 53 | w.Write([]byte |
| 54 | }) |
| 55 | srv := &http |
| 56 | go func() { |
| 57 | if err := srv |
| 58 | log.Fatalf("http server: |
| 59 | } |
| 60 | }() |
| 61 | log.Printf("listening on : |
| 62 | |
| 63 | wake := make( |
| 64 | go listen(ctx, |
| 65 | run(ctx, pool |
| 66 | |
| 67 | shutdownCtx, cancel := |
| 68 | defer cancel() |
| 69 | if err := srv |
| 70 | log.Printf("http shutdown: |
| 71 | } |
| 72 | } |