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@@ -0,0 +1,132 @@
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+#!/bin/bash
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+set -e
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+
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+# usage: file_env VAR [DEFAULT]
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+# ie: file_env 'XYZ_DB_PASSWORD' 'example'
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+# (will allow for "$XYZ_DB_PASSWORD_FILE" to fill in the value of
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+# "$XYZ_DB_PASSWORD" from a file, especially for Docker's secrets feature)
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+file_env() {
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+ local var="$1"
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+ local fileVar="${var}_FILE"
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+ local def="${2:-}"
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+ if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
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+ echo >&2 "error: both $var and $fileVar are set (but are exclusive)"
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+ exit 1
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+ fi
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+ local val="$def"
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+ if [ "${!var:-}" ]; then
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+ val="${!var}"
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+ elif [ "${!fileVar:-}" ]; then
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+ val="$(< "${!fileVar}")"
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+ fi
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+ export "$var"="$val"
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+ unset "$fileVar"
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+}
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+
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+if [ "${1:0:1}" = '-' ]; then
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+ set -- postgres "$@"
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+fi
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+
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+# allow the container to be started with `--user`
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+if [ "$1" = 'postgres' ] && [ "$(id -u)" = '0' ]; then
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+ mkdir -p "$PGDATA"
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+ chown -R postgres "$PGDATA"
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+ chmod 700 "$PGDATA"
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+
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+ mkdir -p /var/run/postgresql
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+ chown -R postgres /var/run/postgresql
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+ chmod g+s /var/run/postgresql
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+
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+ exec su-exec postgres "$BASH_SOURCE" "$@"
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+fi
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+
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+if [ "$1" = 'postgres' ]; then
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+ mkdir -p "$PGDATA"
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+ chown -R "$(id -u)" "$PGDATA" 2>/dev/null || :
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+ chmod 700 "$PGDATA" 2>/dev/null || :
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+
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+ # look specifically for PG_VERSION, as it is expected in the DB dir
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+ if [ ! -s "$PGDATA/PG_VERSION" ]; then
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+ file_env 'POSTGRES_INITDB_ARGS'
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+ eval "initdb --username=postgres $POSTGRES_INITDB_ARGS"
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+
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+ # check password first so we can output the warning before postgres
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+ # messes it up
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+ file_env 'POSTGRES_PASSWORD'
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+ if [ "$POSTGRES_PASSWORD" ]; then
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+ pass="PASSWORD '$POSTGRES_PASSWORD'"
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+ authMethod=md5
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+ else
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+ # The - option suppresses leading tabs but *not* spaces. :)
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+ cat >&2 <<-'EOWARN'
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+ ****************************************************
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+ WARNING: No password has been set for the database.
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+ This will allow anyone with access to the
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+ Postgres port to access your database. In
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+ Docker's default configuration, this is
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+ effectively any other container on the same
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+ system.
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+
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+ Use "-e POSTGRES_PASSWORD=password" to set
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+ it in "docker run".
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+ ****************************************************
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+ EOWARN
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+
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+ pass=
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+ authMethod=trust
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+ fi
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+
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+ { echo; echo "host all all all $authMethod"; } | tee -a "$PGDATA/pg_hba.conf" > /dev/null
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+
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+ # internal start of server in order to allow set-up using psql-client
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+ # does not listen on external TCP/IP and waits until start finishes
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+ PGUSER="${PGUSER:-postgres}" \
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+ pg_ctl -D "$PGDATA" \
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+ -o "-c listen_addresses='localhost'" \
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+ -w start
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+
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+ file_env 'POSTGRES_USER' 'postgres'
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+ file_env 'POSTGRES_DB' "$POSTGRES_USER"
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+
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+ psql=( psql -v ON_ERROR_STOP=1 )
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+
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+ if [ "$POSTGRES_DB" != 'postgres' ]; then
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+ "${psql[@]}" --username postgres <<-EOSQL
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+ CREATE DATABASE "$POSTGRES_DB" ;
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+ EOSQL
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+ echo
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+ fi
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+
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+ if [ "$POSTGRES_USER" = 'postgres' ]; then
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+ op='ALTER'
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+ else
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+ op='CREATE'
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+ fi
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+ "${psql[@]}" --username postgres <<-EOSQL
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+ $op USER "$POSTGRES_USER" WITH SUPERUSER $pass ;
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+ EOSQL
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+ echo
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+
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+ psql+=( --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" )
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+
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+ echo
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+ for f in /docker-entrypoint-initdb.d/*; do
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+ case "$f" in
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+ *.sh) echo "$0: running $f"; . "$f" ;;
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+ *.sql) echo "$0: running $f"; "${psql[@]}" -f "$f"; echo ;;
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+ *.sql.gz) echo "$0: running $f"; gunzip -c "$f" | "${psql[@]}"; echo ;;
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+ *) echo "$0: ignoring $f" ;;
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+ esac
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+ echo
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+ done
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+
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+ PGUSER="${PGUSER:-postgres}" \
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+ pg_ctl -D "$PGDATA" -m fast -w stop
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+
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+ echo
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+ echo 'PostgreSQL init process complete; ready for start up.'
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+ echo
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+ fi
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+fi
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+
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+exec "$@"
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robert2206
8 năm trước cách đây