Change $TOMCATHOME/temp ownership for unprivileged user in SDK

Issue-ID: PORTAL-849
Change-Id: I4c437777fcaf0db337fc3a126f12788962777e49
Signed-off-by: Pawel Wieczorek <p.wieczorek2@samsung.com>
diff --git a/deliveries/Dockerfile.sdk b/deliveries/Dockerfile.sdk
index 4757d8a..b85cf84 100644
--- a/deliveries/Dockerfile.sdk
+++ b/deliveries/Dockerfile.sdk
@@ -39,7 +39,10 @@
 VOLUME ${TOMCATHOME}/logs
 
 # Switch to unprivileged user
-RUN addgroup -g 1000 -S portal && adduser -u 1000 -S portal -G portal
+RUN addgroup -g 1000 -S portal && \
+    adduser -u 1000 -S portal -G portal && \
+    mkdir -p ${TOMCATHOME}/temp && \
+    chown portal:portal ${TOMCATHOME}/temp
 USER portal
 
 # Switch back to root