89 lines
4.1 KiB
Docker
89 lines
4.1 KiB
Docker
###
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#
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# Though simdjson requires only commonly available compilers and tools, it can
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# be convenient to build it and test it inside a docker container: it makes it
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# possible to test and benchmark simdjson under even relatively out-of-date
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# Linux servers. It should also work under macOS and Windows, though not
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# at native speeds, maybe.
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#
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# Assuming that you have a working docker server, this file
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# allows you to build, test and benchmark simdjson.
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#
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# We build the library and associated files in the dockerbuild subdirectory.
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# It may be necessary to delete it before creating the image:
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#
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# rm -r -f dockerbuild
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#
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# The need to delete the directory has nothing to do with docker per se: it is
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# simply cleaner in CMake to start from a fresh directory. This is important: if you
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# reuse the same directory with different configurations, you may get broken builds.
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#
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#
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# Then you can build the image as follows:
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#
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# docker build -t simdjson --build-arg USER_ID=$(id -u) --build-arg GROUP_ID=$(id -g) .
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#
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# Please note that the image does not contain a copy of the code. However, the image will contain the
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# the compiler and the build system. This means that if you change the source code, after you have built
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# the image, you won't need to rebuild the image. In fact, unless you want to try a different compiler, you
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# do not need to ever rebuild the image, even if you do a lot of work on the source code.
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#
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# We specify the users to avoid having files owned by a privileged user (root) in our directory. Some
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# people like to run their machine as the "root" user. We do not think it is cool.
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#
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# Then you need to build the project:
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#
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# docker run -v $(pwd):/project:Z simdjson
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#
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# Should you change a source file, you may need to call this command again. Because the output
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# files are persistent between calls to this command (they reside in the dockerbuild directory),
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# this command can be fast.
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#
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# Next you can test it as follows:
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#
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# docker run -it -v $(pwd):/project:Z simdjson sh -c "cd dockerbuild && ctest . --output-on-failure -LE explicitonly"
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#
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# The run the complete tests requires you to have built all of simdjson.
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#
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# Building all of simdjson takes a long time. Instead, you can build just one target:
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#
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# docker run -it -v $(pwd):/project:Z simdjson sh -c "[ -d dockerbuild ] || mkdir dockerbuild && cd dockerbuild && cmake .. && cmake --build . --target parse"
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#
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# Note that it is safe to remove dockerbuild before call the previous command, as the repository gets rebuild. It is also possible, by changing the command, to use a different directory name.
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#
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# You can run performance tests:
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#
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# docker run -it --privileged -v $(pwd):/project:Z simdjson sh -c "cd dockerbuild && for i in ../jsonexamples/*.json; do echo \$i; ./benchmark/parse \$i; done"
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#
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# The "--privileged" is recommended so you can get performance counters under Linux.
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#
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# You can also grab a fresh copy of simdjson and rebuild it, to make comparisons:
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#
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# docker run -it -v $(pwd):/project:Z simdjson sh -c "git clone https://github.com/simdjson/simdjson.git && cd simdjson && mkdir build && cd build && cmake .. && cmake --build . --target parse "
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#
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# Then you can run comparisons:
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#
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# docker run -it --privileged -v $(pwd):/project:Z simdjson sh -c "for i in jsonexamples/*.json; do echo \$i; dockerbuild/benchmark/parse \$i| grep GB| head -n 1; simdjson/build/benchmark/parse \$i | grep GB |head -n 1; done"
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#
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####
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FROM ubuntu:20.10
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################
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# We would prefer to use the conan io images but they do not support 64-bit ARM? The small gcc images appear to
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# be broken on ARM.
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# Furthermore, we would not expect users to frequently rebuild the container, so using ubuntu is probably fine.
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###############
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ARG USER_ID
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ARG GROUP_ID
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RUN apt-get update -qq
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RUN DEBIAN_FRONTEND="noninteractive" apt-get -y install tzdata
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RUN apt-get install -y cmake g++ git
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RUN mkdir project
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RUN addgroup --gid $GROUP_ID user; exit 0
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RUN adduser --disabled-password --gecos '' --uid $USER_ID --gid $GROUP_ID user; exit 0
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USER user
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RUN gcc --version
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WORKDIR /project
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CMD ["sh","-c","[ -d dockerbuild ] || mkdir dockerbuild && cd dockerbuild && cmake .. && cmake --build . "]
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