Added a bit more automation to build processes (only supported versions)

fpm-alpine/21/Dockerfile

@@ -0,0 +1,21 @@
+FROM nextcloud:21-fpm-alpine
+
+RUN set -ex; \
+ apk add --no-cache --virtual .build-deps \
+	autoconf \
+	automake \
+	file \
+	g++ \
+	gcc \
+	make \
+	php7-dev \
+	re2c \
+	samba-dev \
+	zlib-dev; \
+ apk add --no-cache libsmbclient;  \	
+ pecl install smbclient; \
+ docker-php-ext-enable smbclient; \ 
+ apk add --no-cache imagemagick; \ 
+ apk del .build-deps
+
+COPY redis.config.php /usr/src/nextcloud/config/redis.config.php