Keep yaml-dev installed

Otherwise:

Warning: PHP Startup: Unable to load dynamic library 'yaml' (tried: /usr/local/lib/php/extensions/no-debug-non-zts-20220829/yaml (Error loading shared library /usr/local/lib/php/extensions/no-debug-non-zts-20220829/yaml: No such file or directory), /usr/local/lib/php/extensions/no-debug-non-zts-20220829/yaml.so (Error loading shared library libyaml-0.so.2: No such file or directory (needed by /usr/local/lib/php/extensions/no-debug-non-zts-20220829/yaml.so))) in Unknown on line 0

Author: macbre

Dockerfile

@@ -21,7 +21,8 @@ RUN apk add \
 		libsodium-dev \
 		libxml2-dev \
 		libxslt-dev \
-		linux-headers
+		linux-headers \
+		yaml-dev
 
 # fixes "sockets" compilation issues
 # sendrecvmsg.c:128:19: error: invalid application of 'sizeof' to incomplete type 'struct cmsgcred'
@@ -45,7 +46,7 @@ RUN docker-php-ext-install \
 
 # install yaml extensions from PECL
 # https://pecl.php.net/package/yaml/2.2.3
-RUN apk add --virtual build-deps autoconf gcc make g++ zlib-dev yaml-dev \
+RUN apk add --virtual build-deps autoconf gcc make g++ zlib-dev \
 	&& pecl channel-update pecl.php.net \
 	&& pecl install yaml-2.2.3 && docker-php-ext-enable yaml \
 	&& apk del build-deps