Blackfire FrankenPHP debug

build.log

#0 building with "desktop-linux" instance using docker driver

#1 [internal] load build definition from Dockerfile
#1 transferring dockerfile: 15.16kB done
#1 DONE 0.0s

#2 [auth] dunglas/frankenphp:pull token for registry-1.docker.io
#2 DONE 0.0s

#3 [internal] load metadata for docker.io/dunglas/frankenphp:php8.3.7-bookworm
#3 DONE 1.6s

#4 [internal] load .dockerignore
#4 transferring context: 720B done
#4 DONE 0.0s

#5 [blackfire_debug  1/10] FROM docker.io/dunglas/frankenphp:php8.3.7-bookworm@sha256:8bee13635f4c136b6e222e7e120a4e54a83caad8dd906ccab3b3d1ba4abdaef3
#5 CACHED

#6 [blackfire_debug  2/10] RUN curl https://packages.blackfire.io/gpg.key > /usr/share/keyrings/blackfire-archive-keyring.asc     && echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/blackfire-archive-keyring.asc] http://packages.blackfire.io/debian any main" | tee /etc/apt/sources.list.d/blackfire.list     && apt update     && apt install blackfire
#6 0.104   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
#6 0.104                                  Dload  Upload   Total   Spent    Left  Speed
100  3949  100  3949    0     0   5058      0 --:--:-- --:--:-- --:--:--  5062
#6 0.892 deb [arch=arm64 signed-by=/usr/share/keyrings/blackfire-archive-keyring.asc] http://packages.blackfire.io/debian any main
#6 0.896 
#6 0.896 WARNING: apt does not have a stable CLI interface. Use with caution in scripts.
#6 0.896 
#6 0.973 Get:1 http://deb.debian.org/debian bookworm InRelease [151 kB]
#6 1.011 Get:2 http://deb.debian.org/debian bookworm-updates InRelease [55.4 kB]
#6 1.028 Get:3 http://deb.debian.org/debian-security bookworm-security InRelease [48.0 kB]
#6 1.047 Get:4 http://deb.debian.org/debian bookworm/main arm64 Packages [8692 kB]
#6 1.222 Get:5 http://deb.debian.org/debian bookworm-updates/main arm64 Packages [512 B]
#6 1.222 Get:6 http://deb.debian.org/debian-security bookworm-security/main arm64 Packages [254 kB]
#6 2.132 Get:7 http://packages.blackfire.io/debian any InRelease [29.2 kB]
#6 3.686 Get:8 http://packages.blackfire.io/debian any/main arm64 Packages [31.1 kB]
#6 3.950 Fetched 9262 kB in 3s (3052 kB/s)
#6 3.950 Reading package lists...
#6 4.171 Building dependency tree...
#6 4.222 Reading state information...
#6 4.227 37 packages can be upgraded. Run 'apt list --upgradable' to see them.
#6 4.230 
#6 4.230 WARNING: apt does not have a stable CLI interface. Use with caution in scripts.
#6 4.230 
#6 4.239 Reading package lists...
#6 4.452 Building dependency tree...
#6 4.514 Reading state information...
#6 4.584 The following NEW packages will be installed:
#6 4.584   blackfire
#6 5.685 0 upgraded, 1 newly installed, 0 to remove and 37 not upgraded.
#6 5.685 Need to get 9686 kB of archives.
#6 5.685 After this operation, 28.6 MB of additional disk space will be used.
#6 5.685 Get:1 http://packages.blackfire.io/debian any/main arm64 blackfire arm64 2:2.28.24 [9686 kB]
#6 8.078 debconf: delaying package configuration, since apt-utils is not installed
#6 8.088 Fetched 9686 kB in 3s (2831 kB/s)
#6 8.098 Selecting previously unselected package blackfire.
(Reading database ... 13315 files and directories currently installed.)
#6 8.103 Preparing to unpack .../blackfire_2%3a2.28.24_arm64.deb ...
#6 8.105 Unpacking blackfire (2:2.28.24) ...
#6 8.220 Setting up blackfire (2:2.28.24) ...
#6 8.224 creating blackfire system user
#6 8.249 
#6 8.249 
#6 8.249 	ADDITIONAL STEP REQUIRED!
#6 8.249 
#6 8.249 	If this is a new install please run:
#6 8.249 
#6 8.249 	sudo blackfire agent:config
#6 8.250 	sudo service blackfire-agent start
#6 8.250 
#6 DONE 8.3s

#7 [blackfire_debug  3/10] RUN mkdir -p /var/run/blackfire     && chown root:www-data /var/run/blackfire     && chmod 0770 /var/run/blackfire
#7 DONE 0.1s

#8 [blackfire_debug  4/10] RUN mkdir -p /usr/local/etc/php/custom.d
#8 DONE 0.1s

#9 [blackfire_debug  5/10] RUN echo :/usr/local/etc/php/custom.d
#9 0.116 :/usr/local/etc/php/custom.d
#9 DONE 0.1s

#10 [blackfire_debug  6/10] RUN echo /usr/local/etc/php
#10 0.095 /usr/local/etc/php
#10 DONE 0.1s

#11 [blackfire_debug  7/10] RUN ls -la /usr/local/etc/php
#11 0.130 total 164
#11 0.130 drwxr-xr-x 1 root root  4096 May 15 23:05 .
#11 0.130 drwxr-xr-x 1 root root  4096 May 14  2024 ..
#11 0.130 drwxr-xr-x 1 root root  4096 May 14  2024 conf.d
#11 0.130 drwxr-xr-x 2 root root  4096 May 15 23:05 custom.d
#11 0.130 -rw-r--r-- 1 root root 73251 May 14  2024 php.ini-development
#11 0.130 -rw-r--r-- 1 root root 73397 May 14  2024 php.ini-production
#11 DONE 0.1s

#12 [blackfire_debug  8/10] RUN blackfire php:install -vvv
#12 0.134 Installing for PHP 8.3.7: 
#12 0.134 15/05 23:05:33 DBG Client architecure is: arm64
#12 0.134 15/05 23:05:33 DBG Checking PHP version: 8.3.7
#12 0.148 15/05 23:05:33 DBG PHP build is ZTS
#12 0.148 Reading some PHP settings
#12 0.154 15/05 23:05:33 DBG The Blackfire probe will be installed at: /usr/local/lib/php/extensions/no-debug-zts-20230831/blackfire.so
#12 0.154   PHP Extension: /usr/local/lib/php/extensions/no-debug-zts-20230831/blackfire.so
#12 0.154 Creating the "/usr/local/lib/php/extensions/no-debug-zts-20230831/blackfire.so" file
#12 0.158 Looking for a Blackfire probe
#12 0.158 15/05 23:05:33 DBG Downloading Blackfire probe at: https://blackfire.io/api/v1/releases/probe/php/linux/arm64/83-zts.so
#12 0.981   Blackfire Version: 1.92.33
#12 1.836 Downloading Blackfire probe
#12 3.075 Enabling extension
#12 3.090 15/05 23:05:36 DBG Write PHP CLI Configuration at: /usr/local/etc/php/conf.d/99-blackfire.ini
#12 3.093   PHP CLI Configuration: /usr/local/etc/php/conf.d/99-blackfire.ini
#12 3.093 15/05 23:05:36 DBG Write PHP CGI Configuration at: :/usr/local/etc/php/custom.d/99-blackfire.ini
#12 3.093 [ ERR ] Unable to create :/usr/local/etc/php/custom.d/99-blackfire.ini: open :/usr/local/etc/php/custom.d/99-blackfire.ini: no such file or directory
#12 DONE 3.1s

#13 [blackfire_debug  9/10] RUN php -i | grep blackfire
#13 0.105 Additional .ini files parsed => /usr/local/etc/php/conf.d/99-blackfire.ini,
#13 0.105     with blackfire v1.92.33~linux-x64-zts83, https://blackfire.io, by Blackfire
#13 0.105 blackfire
#13 0.105 blackfire.agent_socket => unix:///var/run/blackfire/agent.sock => unix:///var/run/blackfire/agent.sock
#13 0.105 blackfire.apm_agent_timeout_ms => 300 => 300
#13 0.105 blackfire.apm_browser_collector_endpoint => no value => no value
#13 0.105 blackfire.apm_browser_key => no value => no value
#13 0.105 blackfire.apm_browser_pixel_url => no value => no value
#13 0.105 blackfire.apm_browser_probe_url => no value => no value
#13 0.105 blackfire.apm_connect_at_startup => 0 => 0
#13 0.105 blackfire.apm_enable_automatic_browser_probe => 1 => 1
#13 0.105 blackfire.apm_enabled => 1 => 1
#13 0.105 blackfire.apm_lock_duration => 300 => 300
#13 0.105 blackfire.debug.sigsegv_handler => 0 => 0
#13 0.105 blackfire.env_id => no value => no value
#13 0.105 blackfire.env_token => no value => no value
#13 0.105 blackfire.experimental.observer_api => 0 => 0
#13 0.105 blackfire.features.auto_profiling => 1 => 1
#13 0.105 blackfire.features.curl => 1 => 1
#13 0.105 blackfire.features.embedded_code => 1 => 1
#13 0.105 blackfire.hostname => no value => no value
#13 0.105 blackfire.log_file => no value => no value
#13 0.105 blackfire.log_level => 1 => 1
#13 0.105 blackfire.server_id => no value => no value
#13 0.105 blackfire.server_token => no value => no value
#13 0.105 INI settings 'blackfire.server_id' and 'blackfire.server_token' should not be configured manually unless you are using a cloud provider with a shared agent
#13 DONE 0.1s

#14 [blackfire_debug 10/10] RUN php -v
#14 0.128 PHP 8.3.7 (cli) (built: May 14 2024 03:35:46) (ZTS)
#14 0.128 Copyright (c) The PHP Group
#14 0.128 Zend Engine v4.3.7, Copyright (c) Zend Technologies
#14 0.128     with blackfire v1.92.33~linux-x64-zts83, https://blackfire.io, by Blackfire
#14 DONE 0.1s

#15 exporting to image
#15 exporting layers 0.1s done
#15 writing image sha256:048da546b24fa74eaf29e3a453ed5b59c0da0b73bdfcdc106892e0a2d9b5caf2
#15 writing image sha256:048da546b24fa74eaf29e3a453ed5b59c0da0b73bdfcdc106892e0a2d9b5caf2 done
#15 DONE 0.1s

View build details: docker-desktop://dashboard/build/desktop-linux/desktop-linux/ilbnu3pjkmusl5i3kis2pseob

What's next:
    View a summary of image vulnerabilities and recommendations → docker scout quickview 

build.sh

#!/bin/bash

docker build . --target blackfire_debug --no-cache --progress=plain

Dockerfile

FROM dunglas/frankenphp:php8.3.7-bookworm AS blackfire_debug

RUN curl https://packages.blackfire.io/gpg.key > /usr/share/keyrings/blackfire-archive-keyring.asc \
    && echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/blackfire-archive-keyring.asc] http://packages.blackfire.io/debian any main" | tee /etc/apt/sources.list.d/blackfire.list \
    && apt update \
    && apt install blackfire

# My Caddy/FrankenPHP runs as www-data, so the socket has to be writable by that user
RUN mkdir -p /var/run/blackfire \
    && chown root:www-data /var/run/blackfire \
    && chmod 0770 /var/run/blackfire

# This is in my current Docker image triggering the problem
ENV PHP_INI_SCAN_DIR=":$PHP_INI_DIR/custom.d"
RUN mkdir -p $PHP_INI_DIR/custom.d

# Debug efforts below
RUN echo $PHP_INI_SCAN_DIR
RUN echo $PHP_INI_DIR
RUN ls -la /usr/local/etc/php
RUN blackfire php:install -vvv
RUN php -i | grep blackfire
RUN php -v

Confusing lines 110-114 of the log:

#12 3.090 15/05 23:05:36 DBG Write PHP CLI Configuration at: /usr/local/etc/php/conf.d/99-blackfire.ini
                                                                                  ^-- conf.d? That directory doesn't exist and is not configured to be used by PHP
#12 3.093   PHP CLI Configuration: /usr/local/etc/php/conf.d/99-blackfire.ini
#12 3.093 15/05 23:05:36 DBG Write PHP CGI Configuration at: :/usr/local/etc/php/custom.d/99-blackfire.ini 
                                                                                   ^-- correct path
#12 3.093 [ ERR ] Unable to create :/usr/local/etc/php/custom.d/99-blackfire.ini: open :/usr/local/etc/php/custom.d/99-blackfire.ini: no such file or directory
                              ^-- what do you mean "no such file or directory"?. Is it pretending to write to custom.d, but attempting to write to confirm.d?