Please fix Dockerfile #79

FROM ubuntu:18.04
ENV DEBIAN_FRONTEND=noninteractive
RUN add-apt-repository ppa:ondrej/php && \
 apt-get update && \
 apt install -y software-properties-common && \
 apt-get install -y --no-install-recommends \
 php7.3 php7.3-common php7.3-mbstring php-bcmath \
 php7.3-zip php7.3-curl php7.3-xml php7.3-gd \
 php7.3-dev composer git ffmpeg
RUN mkdir -p /opt/graphjs-server
WORKDIR /opt/graphjs-server
COPY . /opt/graphjs-server
RUN composer install
EXPOSE 1338
CMD [ "php7.3", "run.php" ]

Do not run Composer as root/super user! See https://getcomposer.org/root for details
Loading composer repositories with package information
Installing dependencies (including require-dev) from lock file
Your requirements could not be resolved to an installable set of packages.
 Problem 1
 - The requested PHP extension ext-mbstring * is missing from your system. Install or enable PHP's mbstring extension.
 Problem 2
 - The requested PHP extension ext-gd * is missing from your system. Install or enable PHP's gd extension.
 Problem 3
 - Installation request for aws/aws-sdk-php 3.112.15 -> satisfiable by aws/aws-sdk-php[3.112.15].
 - aws/aws-sdk-php 3.112.15 requires ext-simplexml * -> the requested PHP extension simplexml is missing from your system.
 Problem 4
 - Installation request for graphaware/neo4j-bolt 1.11.0 -> satisfiable by graphaware/neo4j-bolt[1.11.0].
 - graphaware/neo4j-bolt 1.11.0 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
 Problem 5
 - Installation request for graphaware/neo4j-php-client 4.8.5 -> satisfiable by graphaware/neo4j-php-client[4.8.5].
 - graphaware/neo4j-php-client 4.8.5 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
 Problem 6
 - Installation request for nebulaprotocol/ipfs-php 1.0.0 -> satisfiable by nebulaprotocol/ipfs-php[1.0.0].
 - nebulaprotocol/ipfs-php 1.0.0 requires ext-curl * -> the requested PHP extension curl is missing from your system.
 Problem 7
 - Installation request for rakit/validation v0.22.3 -> satisfiable by rakit/validation[v0.22.3].
 - rakit/validation v0.22.3 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
 Problem 8
 - Installation request for riverline/multipart-parser 2.0.5 -> satisfiable by riverline/multipart-parser[2.0.5].
 - riverline/multipart-parser 2.0.5 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
 Problem 9
 - Installation request for stripe/stripe-php v6.43.1 -> satisfiable by stripe/stripe-php[v6.43.1].
 - stripe/stripe-php v6.43.1 requires ext-curl * -> the requested PHP extension curl is missing from your system.
 Problem 10
 - Installation request for phpunit/php-code-coverage 4.0.8 -> satisfiable by phpunit/php-code-coverage[4.0.8].
 - phpunit/php-code-coverage 4.0.8 requires ext-dom * -> the requested PHP extension dom is missing from your system.
 Problem 11
 - Installation request for phpunit/phpunit 5.7.27 -> satisfiable by phpunit/phpunit[5.7.27].
 - phpunit/phpunit 5.7.27 requires ext-dom * -> the requested PHP extension dom is missing from your system.
 Problem 12
 - Installation request for squizlabs/php_codesniffer 2.9.2 -> satisfiable by squizlabs/php_codesniffer[2.9.2].
 - squizlabs/php_codesniffer 2.9.2 requires ext-simplexml * -> the requested PHP extension simplexml is missing from your system.
 Problem 13
 - aws/aws-sdk-php 3.112.15 requires ext-simplexml * -> the requested PHP extension simplexml is missing from your system.
 - league/flysystem-aws-s3-v3 1.0.23 requires aws/aws-sdk-php ^3.0.0 -> satisfiable by aws/aws-sdk-php[3.112.15].
 - Installation request for league/flysystem-aws-s3-v3 1.0.23 -> satisfiable by league/flysystem-aws-s3-v3[1.0.23].
 To enable extensions, verify that they are enabled in your .ini files:
 - /etc/php/7.4/cli/php.ini
 - /etc/php/7.4/cli/conf.d/10-opcache.ini
 - /etc/php/7.4/cli/conf.d/10-pdo.ini
 - /etc/php/7.4/cli/conf.d/20-bcmath.ini
 - /etc/php/7.4/cli/conf.d/20-calendar.ini
 - /etc/php/7.4/cli/conf.d/20-ctype.ini
 - /etc/php/7.4/cli/conf.d/20-exif.ini
 - /etc/php/7.4/cli/conf.d/20-ffi.ini
 - /etc/php/7.4/cli/conf.d/20-fileinfo.ini
 - /etc/php/7.4/cli/conf.d/20-ftp.ini
 - /etc/php/7.4/cli/conf.d/20-gettext.ini
 - /etc/php/7.4/cli/conf.d/20-iconv.ini
 - /etc/php/7.4/cli/conf.d/20-json.ini
 - /etc/php/7.4/cli/conf.d/20-phar.ini
 - /etc/php/7.4/cli/conf.d/20-posix.ini
 - /etc/php/7.4/cli/conf.d/20-readline.ini
 - /etc/php/7.4/cli/conf.d/20-shmop.ini
 - /etc/php/7.4/cli/conf.d/20-sockets.ini
 - /etc/php/7.4/cli/conf.d/20-sysvmsg.ini
 - /etc/php/7.4/cli/conf.d/20-sysvsem.ini
 - /etc/php/7.4/cli/conf.d/20-sysvshm.ini
 - /etc/php/7.4/cli/conf.d/20-tokenizer.ini
 You can also run `php --ini` inside terminal to see which files are used by PHP in CLI mode.
ERROR: Service 'graphjs' failed to build: The command '/bin/sh -c composer install' returned a non-zero code: 2