fix the database connection

Signed-off-by: szaimen <szaimen@e.mail.de>

Containers/postgresql/Dockerfile

@@ -17,7 +17,9 @@ RUN set -ex; \
     chown -R postgres:postgres "$PGDATA"
 
 COPY start.sh /usr/bin/
-RUN chmod +x /usr/bin/start.sh
+COPY init-user-db.sh /docker-entrypoint-initdb.d/
+RUN chmod +x /usr/bin/start.sh; \
+    chmod +xr /docker-entrypoint-initdb.d/init-user-db.sh
 
 RUN mkdir /mnt/data; \
     chown postgres:postgres /mnt/data;

Containers/postgresql/init-user-db.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+set -ex
+
+psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
+	CREATE USER "oc_$POSTGRES_USER" WITH PASSWORD "$POSTGRES_PASSWORD";
+	GRANT ALL PRIVILEGES ON DATABASE "$POSTGRES_DB" TO "oc_$POSTGRES_USER";
+EOSQL
+
+set +ex

Containers/postgresql/start.sh

@@ -18,11 +18,13 @@ if ! [ -w "$DUMP_DIR" ]; then
     exit 1
 fi
 
-# # Delete the datadir once (needed for the migration from debian to alpine)
-# if ! [ -f "$DUMP_DIR/initial-cleanup-done" ]; then
-#     rm -rf "${DATADIR:?}/"*
-#     touch "$DUMP_DIR/initial-cleanup-done"
-# fi
+# Delete the datadir once (needed for setting the correct credentials on old instances once)
+if ! [ -f "$DUMP_DIR/export.failed" ] && ! [ -f "$DUMP_DIR/initial-cleanup-done" ]; then
+    set -ex
+    rm -rf "${DATADIR:?}/"*
+    touch "$DUMP_DIR/initial-cleanup-done"
+    set +ex
+fi
 
 # Test if some things match
 # shellcheck disable=SC2235