diff --git a/.dockerignore b/.dockerignore
index 148088bd..cfa7d9dd 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -1,3 +1,4 @@
+.github/
 node_modules/
 doc/
 
diff --git a/Dockerfile b/Dockerfile
index 4235c82a..90f74a20 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,7 +9,7 @@ RUN npm install
 
 # copy the app and build it
 COPY . /usr/src/app
-RUN npm run build:complete
+RUN NODE_OPTIONS="--max-old-space-size=8192" npm run build:complete
 
 FROM nginx:alpine
 COPY ./nginx.conf /etc/nginx/conf.d/default.conf
diff --git a/src/common/components/custom-min-max-range/custom-min-max-range.component.scss b/src/common/components/custom-min-max-range/custom-min-max-range.component.scss
index 49fb0407..0c55c4d6 100644
--- a/src/common/components/custom-min-max-range/custom-min-max-range.component.scss
+++ b/src/common/components/custom-min-max-range/custom-min-max-range.component.scss
@@ -1,4 +1,4 @@
-:host() {
+:host {
     .input-group {
         padding: 3px 0px;
     }
diff --git a/src/common/timeseries/diagram/legend-entry/legend-entry.component.scss b/src/common/timeseries/diagram/legend-entry/legend-entry.component.scss
index 74fe2fee..ab765cd2 100644
--- a/src/common/timeseries/diagram/legend-entry/legend-entry.component.scss
+++ b/src/common/timeseries/diagram/legend-entry/legend-entry.component.scss
@@ -4,7 +4,7 @@
   }
 }
 
-:host() {
+:host {
   .legendItem {
     background-color: white;
     padding: 5px;