all three containers works with alpine and user are configured

srcs/requirements/wordpress/Dockerfile

@@ -1,20 +1,54 @@
-FROM debian:buster
+# debian -----------------------------------------------------
 
-# bash and vim for debug
-RUN apt update && apt install -y \
-	php7.3 \
-	php7.3-fpm \
-	php7.3-mysqli \
-	mariadb-client \
-	curl \
-	bash vim
-RUN rm -rf /var/lib/apt/lists/*
+#	FROM debian:buster
+#
+#	# bash and vim for debug
+#	RUN apt update && apt install -y \
+#		php7.3 \
+#		php7.3-fpm \
+#		php7.3-mysqli \
+#		curl \
+#		bash vim
+#	RUN rm -rf /var/lib/apt/lists/*
+#
+#	# fpm config
+#	COPY ./conf/www.conf /etc/php/7.3/fpm/pool.d/
+#	RUN mkdir /run/php/
+#
+#	ENV PHP_VERSION="php-fpm7.3"
 
-# fpm config
-COPY ./conf/www.conf /etc/php/7.3/fpm/pool.d/
-RUN mkdir /run/php/
+# alpine -----------------------------------------------------
 
-# install wp-cli : https://make.wordpress.org/cli/handbook/guides/installing/
+	FROM alpine:3.15
+
+	# bash and vim for debug
+	RUN apk update && apk add \
+		php7 \
+		php7-fpm \
+		php7-mysqli \
+		php7-phar \
+		php7-json \
+		curl \
+		bash vim
+	RUN rm -rf /var/lib/apt/lists/*
+
+	# fpm config
+	COPY ./conf/www.conf /etc/php7/php-fpm.d/
+	RUN mkdir /run/php/
+
+	# create wp directory
+	ARG WP_DIR
+	RUN mkdir -p ${WP_DIR} 
+
+	# create www-data user and add to group
+	RUN adduser -S www-data && \
+		adduser www-data www-data
+
+	ENV PHP_VERSION="php-fpm7"
+
+# common -----------------------------------------------------
+
+# install wp-cli : https://wp-cli.org/#installing
 RUN curl -O https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar &&\
 	chmod +x wp-cli.phar && \
 	mv wp-cli.phar /usr/local/bin/wp