Merge pull request #2334 from chorrell/Node.js-Alpine

Add an Alpine variant for Node.js docker images

library/node

@@ -4,9 +4,13 @@ Maintainers: The Node.js Docker Team <https://github.com/nodejs/docker-node> (@n
 GitRepo: https://github.com/nodejs/docker-node.git
 
 Tags: 7.1.0, 7.1, 7, latest
-GitCommit: 2c1bba840c6c64869755f67dafe2cd8f608dfc75
+GitCommit: d20d305f0bf5935385a32558501f3a5c65e34878
 Directory: 7.1
 
+Tags: 7.1.0-alpine, 7.1-alpine, 7-alpine, alpine
+GitCommit: d20d305f0bf5935385a32558501f3a5c65e34878
+Directory: 7.1/alpine
+
 Tags: 7.1.0-onbuild, 7.1-onbuild, 7-onbuild, onbuild
 GitCommit: 2c1bba840c6c64869755f67dafe2cd8f608dfc75
 Directory: 7.1/onbuild
@@ -20,9 +24,13 @@ GitCommit: 2c1bba840c6c64869755f67dafe2cd8f608dfc75
 Directory: 7.1/wheezy
 
 Tags: 6.9.1, 6.9, 6, boron
-GitCommit: b18c441de44515015f7670d7be0186503ae156ec
+GitCommit: d20d305f0bf5935385a32558501f3a5c65e34878
 Directory: 6.9
 
+Tags: 6.9.1-alpine, 6.9-alpine, 6-alpine, boron-alpine
+GitCommit: d20d305f0bf5935385a32558501f3a5c65e34878
+Directory: 6.9/alpine
+
 Tags: 6.9.1-onbuild, 6.9-onbuild, 6-onbuild, boron-onbuild
 GitCommit: 613d09a89a63c916883a9cf6d17000ab4c784aec
 Directory: 6.9/onbuild
@@ -36,9 +44,13 @@ GitCommit: b18c441de44515015f7670d7be0186503ae156ec
 Directory: 6.9/wheezy
 
 Tags: 4.6.2, 4.6, 4, argon
-GitCommit: 1d00e55ede1c9b6023b0473b5cf9399375d73fc8
+GitCommit: d20d305f0bf5935385a32558501f3a5c65e34878
 Directory: 4.6
 
+Tags: 4.6.2-alpine, 4.6-alpine, 4-alpine, argon-alpine
+GitCommit: d20d305f0bf5935385a32558501f3a5c65e34878
+Directory: 4.6/alpine
+
 Tags: 4.6.2-onbuild, 4.6-onbuild, 4-onbuild, argon-onbuild
 GitCommit: 1d00e55ede1c9b6023b0473b5cf9399375d73fc8
 Directory: 4.6/onbuild