Remove default memory limit

Fixes #27

Author: thekid

ChangeLog.md

@@ -3,6 +3,12 @@ AWS Lambda change log
 
 ## ?.?.? / ????-??-??
 
+## 6.1.0 / 2025-07-24
+
+* Removed default memory limit for PHP, let lambda infrastructure take
+  care of it. See issue #27
+  (@thekid)
+
 ## 6.0.0 / 2025-05-04
 
 * **Heads up:** Dropped support for PHP < 7.4, see xp-framework/rfc#343

src/main/php/xp/lambda/Dockerfile.runtime

@@ -34,4 +34,6 @@ RUN curl -L https://baltocdn.com/xp-framework/xp-runners/distribution/downloads/
   && chmod 755 /opt/php/bootstrap \
   && head -1 /opt/php/bootstrap | grep '^#!'
 
-RUN cd /opt/php && strip bin/php && zip -9 runtime.zip bin/php bootstrap
+RUN echo "memory_limit=-1" > /opt/php/bin/php.ini
+
+RUN cd /opt/php && strip bin/php && zip -9 runtime.zip bin/php bin/php.ini bootstrap