Allow bash script for entrypoint initialization

Dockerfile

@@ -9,9 +9,9 @@ RUN  export DEBIAN_FRONTEND=noninteractive
 ENV  DEBIAN_FRONTEND noninteractive
 RUN  dpkg-divert --local --rename --add /sbin/initctl
 
-RUN apt-get -y update; apt-get -y install gnupg2 wget ca-certificates rpl pwgen gdal-bin
+RUN apt-get -y update; apt-get -y install gnupg2 wget ca-certificates rpl pwgen software-properties-common gdal-bin
 
-RUN sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt/ ${IMAGE_VERSION}-pgdg main" > /etc/apt/sources.list.d/pgdg.list'
+RUN sh -c "echo \"deb http://apt.postgresql.org/pub/repos/apt/ $(lsb_release -c -s)-pgdg main\" > /etc/apt/sources.list.d/pgdg.list"
 RUN wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc -O- | apt-key add -
 
 #-------------Application Specific Stuff ----------------------------------------------------

docker-entrypoint.sh

@@ -32,6 +32,7 @@ else
         case "$f" in
             *.sql)    echo "$0: running $f"; psql ${SINGLE_DB} -U ${POSTGRES_USER} -p 5432 -h localhost  -f ${f} || true ;;
             *.sql.gz) echo "$0: running $f"; gunzip < "$f" | psql ${SINGLE_DB} -U ${POSTGRES_USER} -p 5432 -h localhost || true ;;
+            *.sh)     echo "$0: running $f"; . $f || true;;
             *)        echo "$0: ignoring $f" ;;
         esac
         echo

env-data.sh

@@ -144,3 +144,25 @@ fi
 if [ ! -z "$POSTGRES_DB" ]; then
 	POSTGRES_DBNAME=${POSTGRES_DB}
 fi
+
+
+# usable function definitions
+function restart_postgres {
+PID=`cat ${PG_PID}`
+kill -TERM ${PID}
+
+# Wait for background postgres main process to exit
+while [[ "$(ls -A ${PG_PID} 2>/dev/null)" ]]; do
+  sleep 1
+done
+
+# Brought postgres back up again
+source /env-data.sh
+su - postgres -c "${POSTGRES} -D ${DATADIR} -c config_file=${CONF} ${LOCALONLY} &"
+
+# wait for postgres to come up
+until su - postgres -c "psql -l"; do
+  sleep 1
+done
+echo "postgres ready"
+}