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wubloader/generate-docker-compose

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Set up a docker compose file to run all images For ease-of-use, we use a jsonnet file to generate the yaml. Jsonnet is a language for generating JSON documents. In this case it's useful to us because it lets us have comments, references to settings defined at the top, and some basic logic like converting qualities from a list of strings to a comma-seperated string. To avoid requiring jsonnet to be installed, we use the official jsonnet docker image in the generate script.
#!/bin/bash
set -eu
Default to using the current commit, instead of latest This is generally what you want, and will behave better than using latest.
# cd to location of script
replace readlink -f with realpath in build scripts readlink -f doesn't work on OS X
cd "$(dirname "$(realpath "$0")")"
Default to using the current commit, instead of latest This is generally what you want, and will behave better than using latest.
Set up a docker compose file to run all images For ease-of-use, we use a jsonnet file to generate the yaml. Jsonnet is a language for generating JSON documents. In this case it's useful to us because it lets us have comments, references to settings defined at the top, and some basic logic like converting qualities from a list of strings to a comma-seperated string. To avoid requiring jsonnet to be installed, we use the official jsonnet docker image in the generate script.
# We generate first, and capture the output, to avoid overwriting the file on error.
# To avoid jsonnet needing to exist locally, we run it in a container.
Default to using the current commit, instead of latest This is generally what you want, and will behave better than using latest.
output=$(docker run --rm -i sparkprime/jsonnet -V tag="$(./get-build-tag)" - < docker-compose.jsonnet)
Set up a docker compose file to run all images For ease-of-use, we use a jsonnet file to generate the yaml. Jsonnet is a language for generating JSON documents. In this case it's useful to us because it lets us have comments, references to settings defined at the top, and some basic logic like converting qualities from a list of strings to a comma-seperated string. To avoid requiring jsonnet to be installed, we use the official jsonnet docker image in the generate script.
{
echo "# DO NOT EDIT THIS FILE!"
echo "# This file is generated from docker-compose.jsonnet"
echo "# It can be generated by running ./generate-docker-compose"
echo "$output"
} > docker-compose.yml