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PHP APM with Kubernetes
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This document details how to install the PHP APM Profiler in your PHP application running on Kubernetes.
Prerequisite
Follow the Retrace Kubernetes Install Guide.
PHP Kubernetes Setup
Dockerfile Configuration
Adjust your Dockerfile to include the PHP Profiler.
RUN mkdir -p /stackify-php-apm && \
cd /stackify-php-apm && \
wget https://download.stackify.com/stackify-php-apm/stackify-php-apm-latest.tar.gz; tar -zxvf stackify-php-apm-latest.tar.gz; rm stackify-php-apm-latest.tar.gz && \
./install.sh
RUN echo "[stackify]" >> [php_dir]/php.ini && \
echo "extension=stackify.so" >> [php_dir]/php.ini && \
echo "stackify.application_name=PHP Application" >> [php_dir]/php.ini && \
echo "stackify.environment_name=Production" >> [php_dir]/php.ini
Adjust [php_dir]
to point to your PHP configuration path.
Pod Configuration
Application containers are required to have the stackify volume mount configured in Retrace Kubernetes Install.
Example Application Pod YAML:
apiVersion: v1
kind: ReplicationController
metadata:
name: pod-name
spec:
replicas: 1
selector:
app: app-name
template:
metadata:
name: template-name
labels:
app: app-name
spec:
containers:
- name: container-name
image: application-image
volumeMounts:
- mountPath: /usr/local/stackify
name: stackify
volumes:
- name: stackify
hostPath:
path: /var/stackify
type: DirectoryOrCreate
Verify
Start up your PHP application container and make requests. You can then verify results in the Retrace dashboard.