forked from GeoNet/fits
/
server.go
58 lines (50 loc) · 1.35 KB
/
server.go
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package main
import (
"database/sql"
"fmt"
"github.com/GeoNet/kit/map180"
_ "github.com/lib/pq"
"log"
"net/http"
"os"
)
var (
db *sql.DB
wm *map180.Map180
)
// These constants represent part of a public API and can't be changed.
const (
v1GeoJSON = "application/vnd.geo+json;version=1"
v1JSON = "application/json;version=1"
v1CSV = "text/csv;version=1"
svg = "image/svg+xml"
)
// main connects to the database, sets up request routing, and starts the http server.
func main() {
var err error
db, err = sql.Open("postgres",
fmt.Sprintf("host=%s connect_timeout=%s user=%s password=%s dbname=%s sslmode=%s",
os.Getenv("DB_HOST"),
os.Getenv("DB_CONN_TIMEOUT"),
os.Getenv("DB_USER"),
os.Getenv("DB_PASSWD"),
os.Getenv("DB_NAME"),
os.Getenv("DB_SSLMODE")))
if err != nil {
log.Fatalf("ERROR: problem with DB config: %s", err)
}
defer db.Close()
db.SetMaxIdleConns(30)
db.SetMaxOpenConns(30)
err = db.Ping()
if err != nil {
log.Println("Error: problem pinging DB - is it up and contactable? 500s will be served")
}
// For map zoom regions other than NZ will need to read some config from somewhere.
wm, err = map180.Init(db, map180.Region(`newzealand`), 256000000)
if err != nil {
log.Fatalf("ERROR: problem with map180 config: %s", err)
}
log.Print("starting server")
log.Fatal(http.ListenAndServe(":8080", mux))
}