/
main.go
44 lines (35 loc) · 904 Bytes
/
main.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
package main
import (
"fmt"
"github.com/gorilla/mux"
"github.com/jmoiron/sqlx"
_ "github.com/lib/pq"
"log"
"net/http"
)
var (
// global variables that hold config related data
cfg *config
cfgFile = "./config.yml" // default path to config file
// global pointer to db connection
db *sqlx.DB
)
func main() {
var err error
loadConfig()
//conenct to api databases
db, err = sqlx.Open("postgres", cfg.DB.connString+" sslmode=disable")
if err != nil {
log.Println("error while connecting to database:", err)
panic(err)
}
db.SetMaxIdleConns(cfg.PoolMin)
db.SetMaxOpenConns(cfg.PoolMax)
r := mux.NewRouter()
r.HandleFunc("/query", query).Methods("POST")
// start HTTP server
fmt.Println("starting server on port:", cfg.Port)
if err := http.ListenAndServe(fmt.Sprintf("localhost:%d", cfg.Port), r); err != nil {
log.Fatal("error while starting http server:", err)
}
}