docker-baseimage-ubuntu/root/etc/cont-init.d/01-migrations

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#!/bin/bash
MIGRATIONS_DIR="/migrations"
MIGRATIONS_HISTORY="/config/.migrations"
echo "[migrations] started"
if [[ ! -d ${MIGRATIONS_DIR} ]]; then
echo "[migrations] no migrations found"
exit
fi
for MIGRATION in $(find ${MIGRATIONS_DIR}/* | sort -n); do
NAME="$(basename "${MIGRATION}")"
if [[ -f ${MIGRATIONS_HISTORY} ]] && grep -Fxq "${NAME}" ${MIGRATIONS_HISTORY}; then
echo "[migrations] ${NAME}: skipped"
continue
fi
echo "[migrations] ${NAME}: executing..."
chmod +x "${MIGRATION}"
EXIT_CODE=$(/bin/bash "${MIGRATION}"; echo $?)
if [[ ${EXIT_CODE} -ne 0 ]]; then
echo "[migrations] ${NAME}: failed with exit code ${EXIT_CODE}, contact support"
exit "${EXIT_CODE}"
fi
echo "${NAME}" >> ${MIGRATIONS_HISTORY}
echo "[migrations] ${NAME}: succeeded"
done
echo "[migrations] done"