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Add support for configurable binding address

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This commit is contained in:
Anthony Accioly
2024-10-18 23:49:38 +01:00
parent f56b389948
commit e179dedd78
3 changed files with 19 additions and 7 deletions
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2
.env.example
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@@ -1,5 +1,7 @@
OWNER_NPUB="npub1utx00neqgqln72j22kej3ux7803c2k986henvvha4thuwfkper4s7r50e8" OWNER_NPUB="npub1utx00neqgqln72j22kej3ux7803c2k986henvvha4thuwfkper4s7r50e8"
RELAY_URL="relay.utxo.one" RELAY_URL="relay.utxo.one"
RELAY_PORT=3355
RELAY_BIND_ADDRESS="0.0.0.0" # Can be set to a specific IP4 or IP6 address ("" for all interfaces)
DB_ENGINE="badger" # badger, lmdb (lmdb works best with an nvme, otherwise you might have stability issues) DB_ENGINE="badger" # badger, lmdb (lmdb works best with an nvme, otherwise you might have stability issues)
## Private Relay Settings ## Private Relay Settings

18
config.go
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@@ -14,6 +14,8 @@ type Config struct {
OwnerNpub string `json:"owner_npub"` OwnerNpub string `json:"owner_npub"`
DBEngine string `json:"db_engine"` DBEngine string `json:"db_engine"`
RelayURL string `json:"relay_url"` RelayURL string `json:"relay_url"`
RelayPort int `json:"relay_port"`
RelayBindAddress string `json:"relay_bind_address"`
RelaySoftware string `json:"relay_software"` RelaySoftware string `json:"relay_software"`
RelayVersion string `json:"relay_version"` RelayVersion string `json:"relay_version"`
PrivateRelayName string `json:"private_relay_name"` PrivateRelayName string `json:"private_relay_name"`
@@ -52,15 +54,14 @@ type AwsConfig struct {
} }
func loadConfig() Config { func loadConfig() Config {
godotenv.Load(".env") _ = godotenv.Load(".env")
if os.Getenv("DB_ENGINE") == "" {
os.Setenv("DB_ENGINE", "lmdb")
}
return Config{ return Config{
OwnerNpub: getEnv("OWNER_NPUB"), OwnerNpub: getEnv("OWNER_NPUB"),
DBEngine: getEnv("DB_ENGINE"), DBEngine: getEnvString("DB_ENGINE", "lmdb"),
RelayURL: getEnv("RELAY_URL"), RelayURL: getEnv("RELAY_URL"),
RelayPort: getEnvInt("RELAY_PORT", 3355),
RelayBindAddress: getEnvString("RELAY_BIND_ADDRESS", "0.0.0.0"),
RelaySoftware: "https://github.com/bitvora/haven", RelaySoftware: "https://github.com/bitvora/haven",
RelayVersion: "v0.4.4", RelayVersion: "v0.4.4",
PrivateRelayName: getEnv("PRIVATE_RELAY_NAME"), PrivateRelayName: getEnv("PRIVATE_RELAY_NAME"),
@@ -121,6 +122,13 @@ func getEnv(key string) string {
return value return value
} }
func getEnvString(key string, defaultValue string) string {
if value, ok := os.LookupEnv(key); ok {
return value
}
return defaultValue
}
func getEnvInt(key string, defaultValue int) int { func getEnvInt(key string, defaultValue int) int {
if value, ok := os.LookupEnv(key); ok { if value, ok := os.LookupEnv(key); ok {
intValue, err := strconv.Atoi(value) intValue, err := strconv.Atoi(value)

6
main.go
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@@ -48,8 +48,10 @@ func main() {
http.HandleFunc("/", dynamicRelayHandler) http.HandleFunc("/", dynamicRelayHandler)
log.Printf("🔗 listening at http://localhost:3355") addr := fmt.Sprintf("%s:%d", config.RelayBindAddress, config.RelayPort)
http.ListenAndServe("0.0.0.0:3355", nil)
log.Printf("🔗 listening at %s", addr)
http.ListenAndServe(addr, nil)
} }
func dynamicRelayHandler(w http.ResponseWriter, r *http.Request) { func dynamicRelayHandler(w http.ResponseWriter, r *http.Request) {