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In Pipelines, how can I cache gRPC after installing it with pecl?


Hello everyone,

I am just setting up our project's bitbucket-pipelines.yml file. We have a PHP web application that uses the gRPC extension.

My current default build steps are:

image: php:7.3-cli

- step: &build
name: Build
- composer
- apt-get update && apt-get install -y ssh unzip autoconf libz-dev git
- pecl install grpc
- docker-php-ext-enable grpc
- curl -sS | php -- --install-dir=/usr/local/bin --filename=composer
- composer install
- step: &run_tests
name: Run Tests
- vendor/bin/phpunit --testdox protected/tests

- step: *build
- step: *run_tests

The problem is, pecl install grpc takes over 7 minutes to compile and install.

I was reading the article on Caching dependencies, but I'm not sure how to cache grpc in this case, so I don't have to wait over 7 minutes each time this builds.

Any suggestions on how this is achieved?

Thank you!

2 answers

1 accepted

1 vote
Answer accepted

Alright, so after spending a good amount of time trying to figure this out, I ended up realizing that I should simply create my own Docker image.

So I made one based on the PHP Docker image "php:7.3-cli" by creating this Dockerfile:

FROM php:7.3-cli

COPY --from=mlocati/php-extension-installer /usr/bin/install-php-extensions /usr/bin/

RUN apt-get update && apt-get install -qy ssh unzip autoconf libz-dev git
RUN yes | pecl install grpc-1.26.0
RUN install-php-extensions grpc
RUN curl -sS | php -- --install-dir=/usr/local/bin --filename=composer

As you may have noticed, I ended up using a php-extension-installer to help me enable grpc; more details on that here:


After that, while referring to this guide, I uploaded my Docker image to DockerHub and modified my Git repo's "bitbucket-pipelines.yml" file accordingly:

image: asimdlvct/php7.3-grpc1.26.0:ctweb

- step: &setup_and_run_tests
name: Setup dependencies and run tests
- composer
- composer install
- vendor/bin/phpunit --testdox protected/tests

- step: *setup_and_run_tests

And now it works great, all running under a minute in Bitbucket Pipelines!


Also, I realized that my previous YAML file was wrong, since each "step" acts as a different build. So I couldn't install the composer dependencies in one step, and run tests that depended on those packages being installed in a different step! Had to be done in the same step, which makes sense in hindsight.


Thanks for sharing!

Like # people like this

Thanks for sharing, it helps a lot :) 

can you site an example using aws codebuild?

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