Fixes

build.sh

@@ -2,12 +2,25 @@
 
 TAG="1.5-$(date +%Y%m%d)"
 
-find . -name Dockerfile | while read i; do
-    dir=$(dirname $i)
-    pushd ${dir} >/dev/null
-    image="genunix/mailu-$(basename $dir):${TAG}"
+build() {
+    image=$1
     echo "[INFO] Building ${image}"
     docker build -t ${image} .
     docker push ${image}
+}
+
+if [ -z "$1" ]; then
+    find . -name Dockerfile | while read i; do
+        dir=$(dirname $i)
+        pushd ${dir} >/dev/null
+        image="genunix/mailu-$(basename $dir):${TAG}"
+        build ${image}
+        popd >/dev/null
+    done
+else
+    dir=$(basename $1)
+    image="genunix/mailu-$(basename $dir):${TAG}"
+    pushd "$1" >/dev/null
+    build "$image"
     popd >/dev/null
-done
+fi