change from composer (alpine) to ubuntu

build/Dockerfile

@@ -1,20 +1,14 @@
-FROM composer:latest
-
 ARG USERNAME=laravel
 ARG USER_UID=1000
-ARG USER_GID=$USER_UID
 
-RUN apk add --no-cache nodejs npm zlib-dev libpng-dev \
+FROM ubuntu:latest
-    && npm install -g npm \
-    && rm -rf /tmp/* /var/tmp/*
-
-RUN docker-php-ext-install mysqli pdo pdo_mysql gd
-
-RUN addgroup -g $USER_GID -S $USERNAME \
-    && adduser -u $USER_UID -S $USERNAME -G $USERNAME
 
 COPY start-container /usr/local/bin/start-container
-RUN chmod +x /usr/local/bin/start-container
+
+RUN apt-get -y update \
+	&& apt-get install -y php php-xml php-curl php-xml php-mbstring composer npm \
+	&& useradd --home-dir=/var/www/html --uid=$USER_UID $USERNAME \
+    && chmod +x /usr/local/bin/start-container
 
 EXPOSE 8080