我使用.properties
文件來關注此示例github項目Kotlin-dev-proxy。
服務器讀取名爲app_environment
的環境變量並使用相應的資源文件。
示例代碼:
DbConfig.kt
data class DbConfig(
val dbHost: String,
val dbUsername: String,
val dbPassword: String,
val dbName: String,
val dbPort: Int)
ServerSettings.kt
class ServerSettings(settings: String) {
val resources = Properties()
init {
val fileUrl: URL = resources.javaClass.getResource("/$settings.properties")
?: throw FileNotFoundException("$settings.properties file not found")
fileUrl.openStream().use { resources.load(it) }
}
fun printSettings() = resources.stringPropertyNames().forEach {
println("Property: $it has value: '${resources[it]}'")
}
fun getString(key: String): String = resources[key]!! as String
fun getInt(key: String): Int = (resources[key]!! as String).toInt()
}
DbConfig.kt
個
fun provideDbConfig(): DbConfig {
val settings = ServerSettings(System.getenv("app_environment"))
settings.printSettings()
return DbConfig(
dbHost = settings.getString("dbHost"),
dbUsername = settings.getString("dbUsername"),
dbPassword = settings.getString("dbPassword"),
dbName = settings.getString("dbName"),
dbPort = settings.getInt("dbPort")
)
}
資源/ develop.properties
# Local Db values
dbHost=localhost
dbUsername=postgresusername
dbPassword=postgrespassword
dbName=mydbname
dbPort=5432
在部署在亞馬遜EBS,轉到軟件配置和環境中添加環境變量合適的(切入/生產)。
每個屬性文件如何?例如'config-local.properties','config-production.properties'等 –
@ k.liakos感謝您的提示:)我已經通過遵循相同的路徑解決了問題。我在答案中給出了詳細的解決方案。 – blizzard