Updated PHP version and AmazonLinux version in Dockerfile. Also add chmod+x for the bootstrap script to ensure permissions are correct there.

Author: DevoKun

example/Dockerfile

@@ -6,13 +6,13 @@
 ####### Install and compile everything #######
 
 # Same AL version as Lambda execution environment AMI
-FROM amazonlinux:2017.03.1.20170812 as builder
+FROM amazonlinux:2018.03.0.20190514 as builder
 
 # Set desired PHP Version
-ARG php_version="7.3.3"
+ARG php_version="7.3.6"
 
-# Lock to 2017.03 release (same as Lambda) and install compilation dependencies
-RUN sed -i 's;^releasever.*;releasever=2017.03;;' /etc/yum.conf && \
+# Lock to 2018.03 release (same as Lambda) and install compilation dependencies
+RUN sed -i 's;^releasever.*;releasever=2018.03;;' /etc/yum.conf && \
     yum clean all && \
     yum install -y autoconf \
                 bison \
@@ -34,6 +34,7 @@ RUN curl -sL https://github.com/php/php-src/archive/php-${php_version}.tar.gz |
     cd php-src-php-${php_version} && \
     ./buildconf --force && \
     ./configure --prefix=/opt/php-7-bin/ --with-openssl --with-curl --with-zlib --without-pear --enable-bcmath --with-bz2 --enable-mbstring --with-mysqli && \
+    make -j 5 && \
     make install && \
     /opt/php-7-bin/bin/php -v && \
     curl -sS https://getcomposer.org/installer | /opt/php-7-bin/bin/php -- --install-dir=/opt/php-7-bin/bin/ --filename=composer
@@ -43,6 +44,7 @@ RUN mkdir -p /lambda-php-runtime/bin && \
     cp /opt/php-7-bin/bin/php /lambda-php-runtime/bin/php
 
 COPY runtime/bootstrap /lambda-php-runtime/
+RUN chmod 0555 /lambda-php-runtime/bootstrap
 
 # Install Guzzle, prepare vendor files
 RUN mkdir /lambda-php-vendor && \