Replace Alpine with slim and add Java 12

library/groovy

@@ -3,33 +3,34 @@ GitRepo: https://github.com/groovy/docker-groovy.git
 
 Tags: 2.5.7-jdk8, 2.5-jdk8, 2.5.7-jdk, 2.5-jdk, jdk8, jdk
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 59da388a05b57112da96cfc968d062b65beb2360
+GitCommit: 28a9ab9076b324d79f32097313545f81a67d1e2c
 Directory: jdk8
 
 Tags: 2.5.7-jre8, 2.5-jre8, 2.5.7-jre, 2.5-jre, 2.5.7, 2.5, jre8, jre, latest
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 59da388a05b57112da96cfc968d062b65beb2360
+GitCommit: 28a9ab9076b324d79f32097313545f81a67d1e2c
 Directory: jre8
 
+
 Tags: 2.5.7-jdk11, 2.5-jdk11, jdk11
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 59da388a05b57112da96cfc968d062b65beb2360
+GitCommit: 28a9ab9076b324d79f32097313545f81a67d1e2c
 Directory: jdk11
 
 Tags: 2.5.7-jre11, 2.5-jre11, jre11
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 59da388a05b57112da96cfc968d062b65beb2360
+GitCommit: 28a9ab9076b324d79f32097313545f81a67d1e2c
 Directory: jre11
 
 
 Tags: 3.0.0-beta-1-jdk8, 3.0-jdk8, 3.0.0-beta-1-jdk, 3.0-jdk
 GitFetch: refs/heads/3.0
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 1e376c0bdf078b96d03ac32dd8d2dcfcb86ca4ff
+GitCommit: 7dea0eb361082cf7be1d1c3091e79ef76444606e
 Directory: jdk8
 
 Tags: 3.0.0-beta-1-jre8, 3.0-jre8, 3.0.0-beta-1-jre, 3.0-jre, 3.0.0-beta-1, 3.0
 GitFetch: refs/heads/3.0
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 1e376c0bdf078b96d03ac32dd8d2dcfcb86ca4ff
+GitCommit: 7dea0eb361082cf7be1d1c3091e79ef76444606e
 Directory: jre8