How to install extension for php via docker-php-ext-install?

Question

In order to resolve an issue, I am now trying install the mysql pdo via

docker-php-ext-install

as pointed out in the README of the php imag

Answer 1

Seems to be a bug in phpize (https://bugs.php.net/bug.php?id=53571).

I added the following to docker-php-ext-configure:

/usr/local/bin # diff -u docker-php-ext-configure.bak docker-php-ext-configure
--- docker-php-ext-configure.bak
+++ docker-php-ext-configure
@@ -54,5 +54,6 @@

 set -x
 cd "$ext"
+[[ ! -f "config.m4" && -f "config0.m4" ]] && mv config0.m4 config.m4
 phpize
 ./configure "$@"