php ext bz2 (#2500)

* php ext bz2
* fix typo
* fix php-fpm bz2 ext
* fix horizon bz2 ext

laravel-horizon/Dockerfile

@@ -46,6 +46,13 @@ ENV PGID ${PGID}
 RUN addgroup -g ${PGID} laradock && \
     adduser -D -G laradock -u ${PUID} laradock
 
+#Install BZ2:
+ARG INSTALL_BZ2=false
+RUN if [ ${INSTALL_BZ2} = true ]; then \
+  apk --update add bzip2-dev; \
+  docker-php-ext-install bz2 \
+;fi
+
 #Install BCMath package:
 ARG INSTALL_BCMATH=false
 RUN if [ ${INSTALL_BCMATH} = true ]; then \