add MYSQL_CLIENT and AMQP for php-worker (#1949)

php-worker/Dockerfile

@@ -63,8 +63,21 @@ RUN if [ ${INSTALL_ZIP_ARCHIVE} = true ]; then \
     docker-php-ext-install zip \
 ;fi
 
-RUN rm /var/cache/apk/* \
-    && mkdir -p /var/www
+# Install MySQL Client:
+ARG INSTALL_MYSQL_CLIENT=false
+RUN if [ ${INSTALL_MYSQL_CLIENT} = true ]; then \
+    apk --update add mysql-client \
+;fi
+
+# Install AMQP:
+ARG INSTALL_AMQP=false
+
+RUN if [ ${INSTALL_AMQP} = true ]; then \
+    apk --update add rabbitmq-c rabbitmq-c-dev && \
+    pecl install amqp && \
+    docker-php-ext-enable amqp && \
+    docker-php-ext-install sockets \
+;fi
 
 # Install Phalcon ext
 ARG INSTALL_PHALCON=false
@@ -80,6 +93,9 @@ RUN if [ $INSTALL_PHALCON = true ]; then \
     && rm -rf /tmp/cphalcon* \
 ;fi
 
+RUN rm /var/cache/apk/* \
+    && mkdir -p /var/www
+
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