php-worker: add laradock user (#1928)

php-worker/Dockerfile

@@ -25,6 +25,15 @@ RUN apk --update add wget \
 RUN docker-php-ext-install mysqli mbstring pdo pdo_mysql tokenizer xml pcntl
 RUN pecl channel-update pecl.php.net && pecl install memcached mcrypt-1.0.1 && docker-php-ext-enable memcached
 
+# Add a non-root user:
+ARG PUID=1000
+ENV PUID ${PUID}
+ARG PGID=1000
+ENV PGID ${PGID}
+
+RUN addgroup -g ${PGID} laradock && \
+    adduser -D -G laradock -u ${PUID} laradock
+
 #Install SOAP package:
 ARG INSTALL_SOAP=false
 RUN if [ ${INSTALL_SOAP} = true ]; then \