Add docker/7.4/Dockerfile

docker/7.4/Dockerfile

@@ -0,0 +1,27 @@
+FROM php:7.4-fpm
+## Install OS dependencies
+RUN apt-get update && apt-get install -y \
+        libfreetype6-dev \
+        libjpeg62-turbo-dev \
+        libpng-dev \
+        libzip-dev \
+        zlib1g-dev \
+        vim \
+        libicu-dev \
+	fcgiwrap \
+	mariadb-client \
+	ca-certificates \
+	curl \
+	git && \
+	rm -rf /var/lib/apt/lists/*
+
+## Enable and configure php modules
+RUN docker-php-ext-configure intl && \
+      docker-php-ext-install intl && \
+      docker-php-ext-configure gd --with-freetype --with-jpeg && \
+      docker-php-ext-install -j$(nproc) gd && \
+      docker-php-ext-install mysqli zip pdo_mysql bcmath && \
+      docker-php-ext-install opcache
+
+RUN mkdir /var/www/sessions && \
+    chmod 777 /var/www/sessions