graphql-engine/scripts/cli-migrations/docker-entrypoint.sh

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#!/bin/sh
set -e
DEFAULT_MIGRATIONS_DIR="/hasura-migrations"
TEMP_MIGRATIONS_DIR="/tmp/hasura-migrations"
# wait for a port to be ready
wait_for_port() {
local PORT=$1
echo "waiting for $PORT"
for i in `seq 1 30`;
do
nc localhost $PORT > /dev/null 2>&1 && echo "port $PORT is ready" && return
echo -n .
sleep 1
done
echo "failed waiting for $PORT" && exit 1
}
echo "starting graphql engine on port 8080..."
# start graphql engine
graphql-engine serve &
# store the pid to kill it later
PID=$!
# wait for port 8080 to be ready
wait_for_port 8080
# check if migration directory is set, default otherwise
if [ -z ${HASURA_GRAPHQL_MIGRATIONS_DIR+x} ]; then
echo "env var HASURA_GRAPHQL_MIGRATIONS_DIR is not set"
echo "defaulting to $DEFAULT_MIGRATIONS_DIR"
HASURA_GRAPHQL_MIGRATIONS_DIR="$DEFAULT_MIGRATIONS_DIR"
fi
# apply migrations if the directory exist
if [ -d "$HASURA_GRAPHQL_MIGRATIONS_DIR" ]; then
echo "applying migrations in $HASURA_GRAPHQL_MIGRATIONS_DIR..."
mkdir -p "$TEMP_MIGRATIONS_DIR"
cp -a "$HASURA_GRAPHQL_MIGRATIONS_DIR/." "$TEMP_MIGRATIONS_DIR/migrations/"
cd "$TEMP_MIGRATIONS_DIR"
echo "endpoint: http://localhost:8080" > config.yaml
hasura-cli migrate apply
else
echo "directory $HASURA_GRAPHQL_MIGRATIONS_DIR does not exist"
echo "skipping migration apply"
fi
# kill graphql engine that we started earlier
kill $PID
# pass control to CMD
exec "$@"