Update wp-plugin-base image

wp-plugin-base/Dockerfile

@@ -1,6 +1,6 @@
-FROM php:7.1-apache
+FROM php:7.4-apache
 
-LABEL maintainer="Thrijith Thankachan <thrijith13@gmail.com>"
+LABEL maintainer="Thrijith Thankachan <thrijith13@gmail.com>, Riddhesh Sanghvi <riddhesh.sanghvi@rtcamp.com>"
 
 # Install basic requirements
 # Install Node (with NPM), and Yarn (via package manager for Debian)
@@ -18,7 +18,7 @@ RUN apt update \
  bzip2 \
  libbz2-dev \
  zlib1g-dev \
- mysql-client \
+ mariadb-client \
  libfontconfig \
  libfreetype6-dev \
  libjpeg62-turbo-dev \
@@ -29,7 +29,7 @@ RUN apt update \
  libmcrypt-dev \
  gnupg \
  subversion rsync \
- && curl -sL https://deb.nodesource.com/setup_8.x | bash - \
+ && curl -sL https://deb.nodesource.com/setup_12.x | bash - \
  && apt update \
  && apt install -y nodejs \
  && apt clean -y && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* \
@@ -44,7 +44,7 @@ ENV COMPOSER_HOME /composer
 ENV COMPOSER_VERSION 1.8.4
 
 RUN php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');" \
-&& php -r "if (hash_file('sha384', 'composer-setup.php') === '48e3236262b34d30969dca3c37281b3b4bbe3221bda826ac6a9a62d6444cdb0dcd0615698a5cbe587c3f0fe57a54d8f5') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;" \
+&& php -r "if (hash_file('sha384', 'composer-setup.php') === 'e0012edf3e80b6978849f5eff0d4b4e4c79ff1609dd1e613307e16318854d24ae64f26d17af3ef0bf7cfb710ca74755a') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;" \
 && php composer-setup.php --no-ansi --install-dir=/usr/bin --filename=composer --version=${COMPOSER_VERSION} \
 && php -r "unlink('composer-setup.php');" \
 && composer --ansi --version --no-interaction