hot-switch logging implementation

build.sbt

@@ -15,6 +15,8 @@ val circeVersion = "0.14.6"
 val fs2Version = "3.7.0"
 val http4sVersion = "0.23.23"
 val logbackVersion = "1.4.11"
+val log4jVersion = "2.20.0"
+val log4jScalaVersion = "12.0"
 val scalamockVersion = "5.2.0"
 val scalatestVersion = "3.2.17"
 val shapelessVersion = "2.3.10"
@@ -23,7 +25,7 @@ val vaultVersion = "3.5.0"
 
 libraryDependencies ++= Seq(
  "org.scala-lang" % "scala-library" % scalaVersion.value % "provided",
- "ch.qos.logback" % "logback-classic" % logbackVersion % Runtime,
+// "ch.qos.logback" % "logback-classic" % logbackVersion % Runtime,
  "org.slf4j" % "slf4j-api" % slf4jVersion,
  "org.http4s" %% "http4s-ember-client" % http4sVersion,
  "org.http4s" %% "http4s-circe" % http4sVersion,
@@ -33,6 +35,8 @@ libraryDependencies ++= Seq(
  "co.fs2" %% "fs2-io" % fs2Version,
  "com.chuusai" %% "shapeless" % shapelessVersion,
  "io.circe" %% "circe-core" % circeVersion,
+ "org.apache.logging.log4j" % "log4j-core" % log4jVersion,
+ "org.apache.logging.log4j" %% "log4j-api-scala" % log4jScalaVersion,
  "org.typelevel" %% "case-insensitive" % caseInsensitiveVersion,
  "org.typelevel" %% "cats-core" % catsCoreVersion,
  "org.typelevel" %% "cats-effect" % catsEffectVersion,