Use temporary file as Dockerfile

bin/build

@@ -1,19 +1 @@
-FILE=$DOCKER_HOME/images/$1.mk
-echo $FILE
-if [[ ! -e $FILE ]]; then
-    DELETE=true
-    FILE="$(mktemp)"
-    echo 123
-    cat <<- EOF > $FILE
-        include \$(DOCKER_HOME)/build/Makefile
-
-        NAME = $1
-        VERSION = latest
-
-        build: $1
-EOF
-fi
-make -f $FILE build
-if [ ! -z ${DELETE+x} ]; then    
-    rm $FILE
-fi
+$DOCKER_HOME/bin/make $1 build

bin/make

@@ -1 +1,15 @@
-make -f $DOCKER_HOME/images/$1.mk $2
+FILE=$DOCKER_HOME/images/$1.mk
+if [[ ! -e $FILE ]]; then
+    DELETE=true
+    FILE="$(mktemp)"
+    cat <<- EOF > $FILE
+        include \$(DOCKER_HOME)/build/Makefile
+        NAME = $1
+        VERSION = latest
+        build: $1
+EOF
+fi
+make -f $FILE $2
+if [ ! -z ${DELETE+x} ]; then    
+    rm $FILE
+fi