hedgedoc/entrypoint.sh.tmpl
f 29a7d585dc
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fix: provide default values for variables
2025-04-10 15:42:21 -03:00

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#!/usr/bin/env bash
file_env() {
# 3wc: Load $VAR_FILE into $VAR - useful for secrets. See
# https://medium.com/@adrian.gheorghe.dev/using-docker-secrets-in-your-environment-variables-7a0609659aab
local var="$1"
local fileVar="${var}_FILE"
local def="${2:-}"
if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
echo >&2 "error: both $var and $fileVar are set (but are exclusive)"
exit 1
fi
local val="$def"
if [ "${!var:-}" ]; then
val="${!var}"
elif [ "${!fileVar:-}" ]; then
val="$(< "${!fileVar}")"
fi
export "$var"="$val"
unset "$fileVar"
}
load_vars() {
if [ -n "${CMD_DB_PASSWORD:-""}" ] ; then
file_env "CMD_DB_PASSWORD"
fi
file_env "CMD_OAUTH2_CLIENT_SECRET"
file_env "CMD_SESSION_SECRET"
}
main() {
set -eu
load_vars
mkdir -p "/hedgedoc/.npm" && \
chown -R 10000:65534 "/hedgedoc/.npm" && \
chmod "u+rwx" "/hedgedoc/.npm"
chown -R 10000:65534 /database
}
main
if [ -z "${CMD_DB_URL:-""}" ] ; then
# TODO: support databases other than postgres and sqlite
export CMD_DB_URL="${postgres://$CMD_DB_USER:$CMD_DB_PASSWORD@$CMD_DB_HOST:5432/$CMD_DB_NAME}"
fi
# 3wc: `source /docker-entrypoint.sh -e` to load CMD_DB_URL for CLI scripts
if [ ! "${1-}" == "-e" ]; then
# 3wc: upstream ENTRYPOINT
# https://github.com/hedgedoc/container/blob/master/alpine/Dockerfile
mkdir -p "/hedgedoc/.npm" && chown -R 10000:65534 "/hedgedoc/.npm"
/usr/local/bin/docker-entrypoint.sh npm start
fi
set +eu