Save image build log into build.log

.gitignore

 dist/
 mumble-web/
+*.log
\ No newline at end of file

build_mumble_web.sh

@@ -12,6 +12,11 @@ DIST_DIR="/home/node/dist"
 # path on the host where to copy the files
 DESTINATION_HOST="./dist"
 
+function verify_commit_HEAD() {
+    cd $REPOSITORY
+    git verify-commit -v HEAD
+    cd ../
+}
 
 # check if git repository is already cloned
 # then pull updates
@@ -19,20 +24,21 @@ DESTINATION_HOST="./dist"
 if cd $REPOSITORY
 then
    git pull
-   git verify-commit -v HEAD
    cd ../
 else
     git clone $URL_GITHUB
-    cd $REPOSITORY
-    git verify-commit -v HEAD
-    cd ../
 fi
 
+# print verify-commit output
+verify_commit_HEAD
 
 # build docker image 
-docker build -t $IMAGE_NAME .
+printf "\nBuilding image\n"
+docker build -t $IMAGE_NAME . > build.log
 # create temporary container
 docker create --name $CONTAINER_NAME "${IMAGE_NAME}"
+# remove previously copied files
+rm -rf dist/
 # copy files from container to host
 docker cp $CONTAINER_NAME:"${DIST_DIR}" $DESTINATION_HOST
 # remove created container