baclight/bin/docker-entrypoint

#!/bin/bash -e
set -e

# Enable jemalloc for reduced memory usage and latency.
if [ -z "${LD_PRELOAD+x}" ] && [ -f /usr/lib/*/libjemalloc.so.2 ]; then
  export LD_PRELOAD="$(echo /usr/lib/*/libjemalloc.so.2)"
fi

# This prevents "A server is already running" errors if a previous container crashed.
if [ -f tmp/pids/server.pid ]; then
  rm -f tmp/pids/server.pid
fi

# NOTE: Enable this as you need to get migrations working in your deployed
# (i.e. Production) environments. Match the condition check to what you have in
# the Dockerfile CMD. I use puma in the production.Dockerfile as that's the
# recommended option by the Puma team (https://github.com/puma/puma#rails), but
# the default Rails Dockerfile uses `./bin/rails server`

echo "starting puma server..."

# If running the rails server then create or migrate existing database
if [ "${1}" == "bundle" ] && [ "${2}" == "exec" ] && [ "${3}" == "puma" ]; then
  ./bin/rails db:migrate
fi

exec "${@}"