Replace SBT release plugin with Git plugin

build.sbt

@@ -1,11 +1,13 @@
 enablePlugins(JavaServerAppPackaging)
-
 enablePlugins(DockerPlugin)
+enablePlugins(GitVersioning)
 
 name := """sdkman-website"""
 
 organization := "io.sdkman"
 
+git.formattedShaVersion := git.gitHeadCommit.value.map(_.take(7))
+
 Docker / packageName := "registry.digitalocean.com/sdkman/sdkman-website"
 
 dockerBaseImage := "openjdk:11"
@@ -34,18 +36,3 @@ libraryDependencies ++= Seq(
   "com.iheart" %% "ficus" % "1.5.0"
 )
 
-import sbtrelease.ReleasePlugin.autoImport.ReleaseTransformations._
-
-releaseProcess := Seq[ReleaseStep](
-  checkSnapshotDependencies,
-  inquireVersions,
-  runClean,
-  runTest,
-  setReleaseVersion,
-  commitReleaseVersion,
-  tagRelease,
-  ReleaseStep(releaseStepTask(publish in Docker)),
-  setNextVersion,
-  commitNextVersion,
-  pushChanges
-)

project/plugins.sbt

@@ -1,4 +1,4 @@
 addSbtPlugin("com.typesafe.play" % "sbt-plugin" % "2.8.8")
 addSbtPlugin("org.foundweekends.giter8" % "sbt-giter8-scaffold" % "0.11.0")
 addSbtPlugin("com.github.sbt" % "sbt-native-packager" % "1.9.1")
-addSbtPlugin("com.github.sbt" % "sbt-release" % "1.1.0")
+addSbtPlugin("com.github.sbt" % "sbt-git" % "2.0.1")