diff --git a/web/v2.6.3/Dockerfile b/web/v2.6.3/Dockerfile
index 4fee18a..0201d38 100644
--- a/web/v2.6.3/Dockerfile
+++ b/web/v2.6.3/Dockerfile
@@ -12,10 +12,13 @@ ENV DISCOURSE_WORKER_CONCURRENCY=${DISCOURSE_WORKER_CONCURRENCY:-2}
 
 WORKDIR $DISCOURSE_ROOT
 
+RUN echo "DISCOURSE_HOSTNAME is: $DISCOURSE_HOSTNAME"
+
 RUN git clone https://github.com/discourse/discourse.git --branch $DISCOURSE_VERSION --single-branch $DISCOURSE_ROOT
 
 RUN apt-get update && apt-get install -y \
     brotli \
+    libbrotli-dev \ 
     gifsicle \
     jhead \
     jpegoptim \
@@ -31,9 +34,10 @@ RUN gem install foreman
 
 # Configure NGINX
 COPY install-nginx.sh /tmp/install-nginx.sh
-RUN /tmp/install-nginx.sh && \
+RUN ldconfig && \
+    /tmp/install-nginx.sh && \
     cp config/nginx.sample.conf /etc/nginx/conf.d/discourse.conf && \
-    sed -i "s/^  server_name enter\.your\.web\.hostname\.here;/  server_name $DISCOURSE_HOSTNAME;/" /etc/nginx/conf.d/discourse.conf && \
+    sed -i "s/^  server_name enter\\.your\\.web\\.hostname\\.here;/  server_name $DISCOURSE_HOSTNAME;/" /etc/nginx/conf.d/discourse.conf && \
     mkdir -p /var/nginx/cache/
 
 # Install Redis