Create multiple builds

Author: kylecarbs

.travis.yml

@@ -16,6 +16,9 @@ before_install:
 matrix:
   include:
   - os: linux
+    env:
+      - TARGET="alpine"
+      - TARGET="centos"
   - os: osx
 script: scripts/ci.sh
 deploy:

scripts/docker_build.sh

@@ -26,14 +26,17 @@ function docker_build() {
 	docker cp $containerID:/src/lib/node/out/Release/node ../build/$PACKAGE_VERSION/$BINARY_NAME
 }
 
-CACHE_DIR=".ccache-centos"
-IMAGE="codercom/nbin-centos"
-PREBUILD_COMMAND="source /opt/rh/devtoolset-6/enable &&"
-BINARY_NAME="node-${NODE_VERSION}-linux-x64"
-docker_build
+if [[ "$TARGET" == "alpine" ]]; then
+	CACHE_DIR=".ccache-alpine"
+	IMAGE="codercom/nbin-alpine"
+	PREBUILD_COMMAND=""
+	BINARY_NAME="node-${NODE_VERSION}-alpine-x64"
+	docker_build
+else
+	CACHE_DIR=".ccache-centos"
+	IMAGE="codercom/nbin-centos"
+	PREBUILD_COMMAND="source /opt/rh/devtoolset-6/enable &&"
+	BINARY_NAME="node-${NODE_VERSION}-linux-x64"
+	docker_build
+fi
 
-CACHE_DIR=".ccache-alpine"
-IMAGE="codercom/nbin-alpine"
-PREBUILD_COMMAND=""
-BINARY_NAME="node-${NODE_VERSION}-alpine-x64"
-docker_build