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Code Issues Releases Wiki Activity

Allow configuration through ENV

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Signed-off-by: Knut Ahlers <knut@ahlers.me>
This commit is contained in:
Knut Ahlers 2018-04-03 20:32:31 +02:00
parent 93d32ebb28
commit 16df82417f
Signed by: luzifer
GPG key ID: DC2729FDD34BE99E
1 changed files with 5 additions and 5 deletions
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10
main.go
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@ -21,11 +21,11 @@ import (
var ( var (
cfg struct { cfg struct {
CacheDir string `flag:"cache-dir" default:"cache" env:"CACHE_DIR" description:"Directory to save the cached images to"` CacheDir string `flag:"cache-dir" default:"cache" env:"CACHE_DIR" description:"Directory to save the cached images to"`
ForceCache time.Duration `flag:"force-cache" default:"24h" description:"Force map to be cached for this duration"` ForceCache time.Duration `flag:"force-cache" default:"24h" env:"FORCE_CACHE" description:"Force map to be cached for this duration"`
Listen string `flag:"listen" default:":3000" description:"IP/Port to listen on"` Listen string `flag:"listen" default:":3000" description:"IP/Port to listen on"`
MaxSize string `flag:"max-size" default:"1024x1024" description:"Maximum map size requestable"` MaxSize string `flag:"max-size" default:"1024x1024" env:"MAX_SIZE" description:"Maximum map size requestable"`
RateLimit int64 `flag:"rate-limit" default:"1" description:"How many requests to allow per time"` RateLimit int64 `flag:"rate-limit" default:"1" env:"RATE_LIMIT" description:"How many requests to allow per time"`
RateLimitTime time.Duration `flag:"rate-limit-time" default:"1s" description:"Time interval to allow N requests in"` RateLimitTime time.Duration `flag:"rate-limit-time" default:"1s" env:"RATE_LIMIT_TIME" description:"Time interval to allow N requests in"`
VersionAndExit bool `flag:"version" default:"false" description:"Print version information and exit"` VersionAndExit bool `flag:"version" default:"false" description:"Print version information and exit"`
} }
@ -37,7 +37,7 @@ var (
func init() { func init() {
var err error var err error
if err = rconfig.Parse(&cfg); err != nil { if err = rconfig.ParseAndValidate(&cfg); err != nil {
log.Fatalf("Unable to parse CLI parameters") log.Fatalf("Unable to parse CLI parameters")
} }