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package main
import (
"log"
"os"
"os/signal"
"runtime"
"runtime/debug"
"syscall"
"time"
)
const version = "2.7.0"
type ctxKey string
func initialize() {
log.SetOutput(os.Stdout)
initLog()
configure()
initNewrelic()
initPrometheus()
initDownloading()
initErrorsReporting()
initVips()
if err := checkPresets(conf.Presets); err != nil {
shutdownVips()
logFatal(err.Error())
}
}
func main() {
initialize()
go func() {
var logMemStats = len(os.Getenv("IMGPROXY_LOG_MEM_STATS")) > 0
for range time.Tick(time.Duration(conf.FreeMemoryInterval) * time.Second) {
debug.FreeOSMemory()
if logMemStats {
var m runtime.MemStats
runtime.ReadMemStats(&m)
logDebug("MEMORY USAGE: Sys=%d HeapIdle=%d HeapInuse=%d", m.Sys/1024/1024, m.HeapIdle/1024/1024, m.HeapInuse/1024/1024)
}
}
}()
s := startServer()
stop := make(chan os.Signal, 1)
signal.Notify(stop, syscall.SIGINT, syscall.SIGTERM)
<-stop
shutdownServer(s)
shutdownVips()
}
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