Solidus with one-click on Heroku

[rsipakov]

Hey there,
When I tried to install the demo on Heroku then I got the error below. Can I fix it?

-----> Ruby app detected
-----> Compiling Ruby/Rails
Compiling solidus
WARNING: You don't have /app/.gem/ruby/2.3.0/bin in your PATH,
gem executables will not run.
Successfully installed concurrent-ruby-1.0.5
Successfully installed i18n-1.1.0
Successfully installed thread_safe-0.3.6
Successfully installed tzinfo-1.2.5
Successfully installed activesupport-5.1.6
Successfully installed rack-2.0.5
Successfully installed rack-test-1.1.0
Successfully installed mini_portile2-2.3.0
Building native extensions. This could take a while...
ERROR: Error installing railties:
ERROR: Failed to build gem native extension.
current directory: /app/.gem/ruby/2.3.0/gems/nokogiri-1.8.4/ext/nokogiri
/usr/bin/ruby2.3 -r ./siteconf20180811-119-15z6q74.rb extconf.rb
checking if the C compiler accepts ... yes
Building nokogiri using system libraries.
pkg-config could not be used to find libxml-2.0
Please install either pkg-config or the pkg-config gem per
gem install pkg-config -v "> 1.1"
pkg-config could not be used to find libxslt
Please install either pkg-config or the pkg-config gem per
gem install pkg-config -v "> 1.1"
pkg-config could not be used to find libexslt
Please install either pkg-config or the pkg-config gem per
gem install pkg-config -v "> 1.1"
ERROR: cannot discover where libxml2 is located on your system. please make sure pkg-config is installed.
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers. Check the mkmf.log file for more details. You may
need configuration options.
Provided configuration options:
--with-opt-dir
--without-opt-dir
--with-opt-include
--without-opt-include=${opt-dir}/include
--with-opt-lib
--without-opt-lib=${opt-dir}/lib
--with-make-prog
--without-make-prog
--srcdir=.
--curdir
--ruby=/usr/bin/$(RUBY_BASE_NAME)2.3
--help
--clean
--use-system-libraries=true
--with-zlib-dir
--without-zlib-dir
--with-zlib-include
--without-zlib-include=${zlib-dir}/include
--with-zlib-lib
--without-zlib-lib=${zlib-dir}/lib
--with-xml2-dir
--without-xml2-dir
--with-xml2-include
--without-xml2-include=${xml2-dir}/include
--with-xml2-lib
--without-xml2-lib=${xml2-dir}/lib
--with-libxml-2.0-config
--without-libxml-2.0-config
--with-pkg-config
--without-pkg-config
--with-xslt-dir
--without-xslt-dir
--with-xslt-include
--without-xslt-include=${xslt-dir}/include
--with-xslt-lib
--without-xslt-lib=${xslt-dir}/lib
--with-libxslt-config
--without-libxslt-config
--with-exslt-dir
--without-exslt-dir
--with-exslt-include
--without-exslt-include=${exslt-dir}/include
--with-exslt-lib
--without-exslt-lib=${exslt-dir}/lib
--with-libexslt-config
--without-libexslt-config
To see why this extension failed to compile, please check the mkmf.log which can be found here:
/app/.gem/ruby/2.3.0/extensions/x86_64-linux/2.3.0/nokogiri-1.8.4/mkmf.log
extconf failed, exit code 1
Gem files will remain installed in /app/.gem/ruby/2.3.0/gems/nokogiri-1.8.4 for inspection.
Results logged to /app/.gem/ruby/2.3.0/extensions/x86_64-linux/2.3.0/nokogiri-1.8.4/gem_make.out
logger: unrecognized option '--user-install'
Usage:
logger [options] []
Enter messages into the system log.
Options:
-i log the logger command's PID
--id[=] log the given , or otherwise the PID
-f, --file log the contents of this file
-e, --skip-empty do not log empty lines when processing files
--no-act do everything except the write the log
-p, --priority mark given message with this priority
--octet-count use rfc6587 octet counting
--prio-prefix look for a prefix on every line read from stdin
-s, --stderr output message to standard error as well
-S, --size maximum size for a single message
-t, --tag mark every line with this tag
-n, --server write to this remote syslog server
-P, --port use this UDP port
-T, --tcp use TCP only
-d, --udp use UDP only
--rfc3164 use the obsolete BSD syslog protocol
--rfc5424[=] use the syslog protocol (the default for remote);
can be notime, or notq, and/or nohost
--msgid set rfc5424 message id field
-u, --socket write to this Unix socket
--socket-errors[=<on|off|auto>]
print connection errors when using Unix sockets
--journald[=] write journald entry
-h, --help display this help and exit
-V, --version output version information and exit
For more details see logger(1).
!
! "NOKOGIRI_USE_SYSTEM_LIBRARIES=1 gem install --user-install --no-ri --no-rdoc railties:'>5.1.0'" failed
!
/app/tmp/buildpacks/4503e3a76977915f47253edc22ff766cf41874cec155814eeb2bed137037cc920729733d948ffeb2124e6612e9bfcc160ea3849de67fe7190e0f7d126454c288/lib/language_pack/solidus.rb:86:in sh': "NOKOGIRI_USE_SYSTEM_LIBRARIES=1 gem install --user-install --no-ri --no-rdoc railties:'~>5.1.0'" failed (RuntimeError) from /app/tmp/buildpacks/4503e3a76977915f47253edc22ff766cf41874cec155814eeb2bed137037cc920729733d948ffeb2124e6612e9bfcc160ea3849de67fe7190e0f7d126454c288/lib/language_pack/solidus.rb:24:in compile'
from /app/tmp/buildpacks/4503e3a76977915f47253edc22ff766cf41874cec155814eeb2bed137037cc920729733d948ffeb2124e6612e9bfcc160ea3849de67fe7190e0f7d126454c288/bin/compile:16:in block (2 levels) in <main>' from /app/tmp/buildpacks/4503e3a76977915f47253edc22ff766cf41874cec155814eeb2bed137037cc920729733d948ffeb2124e6612e9bfcc160ea3849de67fe7190e0f7d126454c288/lib/language_pack/base.rb:131:in log'
from /app/tmp/buildpacks/4503e3a76977915f47253edc22ff766cf41874cec155814eeb2bed137037cc920729733d948ffeb2124e6612e9bfcc160ea3849de67fe7190e0f7d126454c288/bin/compile:15:in block in <main>' from /app/tmp/buildpacks/4503e3a76977915f47253edc22ff766cf41874cec155814eeb2bed137037cc920729733d948ffeb2124e6612e9bfcc160ea3849de67fe7190e0f7d126454c288/lib/language_pack/instrument.rb:35:in block in trace'
from /app/tmp/buildpacks/4503e3a76977915f47253edc22ff766cf41874cec155814eeb2bed137037cc920729733d948ffeb2124e6612e9bfcc160ea3849de67fe7190e0f7d126454c288/lib/language_pack/instrument.rb:18:in block (2 levels) in instrument' from /app/tmp/buildpacks/4503e3a76977915f47253edc22ff766cf41874cec155814eeb2bed137037cc920729733d948ffeb2124e6612e9bfcc160ea3849de67fe7190e0f7d126454c288/lib/language_pack/instrument.rb:40:in yield_with_block_depth'
from /app/tmp/buildpacks/4503e3a76977915f47253edc22ff766cf41874cec155814eeb2bed137037cc920729733d948ffeb2124e6612e9bfcc160ea3849de67fe7190e0f7d126454c288/lib/language_pack/instrument.rb:17:in block in instrument' from /usr/lib/ruby/2.3.0/benchmark.rb:308:in realtime'
from /app/tmp/buildpacks/4503e3a76977915f47253edc22ff766cf41874cec155814eeb2bed137037cc920729733d948ffeb2124e6612e9bfcc160ea3849de67fe7190e0f7d126454c288/lib/language_pack/instrument.rb:16:in instrument' from /app/tmp/buildpacks/4503e3a76977915f47253edc22ff766cf41874cec155814eeb2bed137037cc920729733d948ffeb2124e6612e9bfcc160ea3849de67fe7190e0f7d126454c288/lib/language_pack/instrument.rb:35:in trace'
from /app/tmp/buildpacks/4503e3a76977915f47253edc22ff766cf41874cec155814eeb2bed137037cc920729733d948ffeb2124e6612e9bfcc160ea3849de67fe7190e0f7d126454c288/bin/compile:11:in `

'
! Push rejected, failed to compile Ruby app.
! Push failed

[jacobherrington]

Check out #2797

[kennyadsl]

Closing since it's a duplicate