option to change the port of the webserver

Dockerfile

@@ -11,6 +11,9 @@ ARG DEBIAN_FRONTEND="noninteractive"
 
 ENV NVM_DIR="/root/.nvm"
 
+# port to for the webserver
+ENV WEBSERVER_PORT=8080
+
 COPY start-container.sh /usr/local/bin/start-container
 
 RUN apt-get -y update \
@@ -33,7 +36,7 @@ RUN apt-get -y update \
     && nvm install $NODE_VERSION \
     && nvm alias default $NODE_VERSION;
 
-EXPOSE 8080
+EXPOSE ${WEBSERVER_PORT}
 
 WORKDIR /var/www/html
 

build/start-container.sh

@@ -4,7 +4,7 @@
 set -e
 
 # init nvm
-\. $NVM_DIR/nvm.sh
+\. "$NVM_DIR"/nvm.sh
 
 if [[ "$BOOT_NPM_INSTALL" = true ]]; then
     echo "npm install"
@@ -27,4 +27,4 @@ if [[ "$BOOT_NPM_DEV" = true ]]; then
 fi
 
 echo "Staring Laravel"
-php /var/www/html/artisan serve --host=0.0.0.0
+php /var/www/html/artisan serve --host=0.0.0.0 --port="$WEBSERVER_PORT"