create proper role for postgres user and run

Dockerfile

@@ -5,7 +5,11 @@ USER root
 # Install PostgreSQL and necessary dependencies
 RUN apk update && apk add --no-cache \
     postgresql \
-    postgresql-contrib
+    postgresql-contrib \
+    shadow
+
+# Create postgres user and group
+RUN addgroup -S postgres && adduser -S -G postgres postgres
 
 # Set up environment variables
 ENV DATABASE_URL=postgresql://postgres:postgres@localhost:5432/postgres

docker-entrypoint-wrapper.sh

@@ -7,17 +7,27 @@ chmod 0755 /data/postgresql/run
 
 # Initialize PostgreSQL if not already initialized
 if [ ! -f "/data/postgresql/data/PG_VERSION" ]; then
-    initdb -D /data/postgresql/data
+    # Initialize as postgres user
+    su postgres -c "initdb -D /data/postgresql/data"
+    
+    # Modify pg_hba.conf to allow local connections
+    echo "local all all trust" > /data/postgresql/data/pg_hba.conf
+    echo "host all all 127.0.0.1/32 trust" >> /data/postgresql/data/pg_hba.conf
 fi
 
+# Ensure proper ownership
+chown -R postgres:postgres /data/postgresql/data /data/postgresql/run
+
 # Start PostgreSQL with the persistent directories
-pg_ctl -D /data/postgresql/data -o "-c listen_addresses='*' -c unix_socket_directories='/data/postgresql/run'" start
+su postgres -c "pg_ctl -D /data/postgresql/data -o '-c listen_addresses=*' -o '-c unix_socket_directories=/data/postgresql/run' start"
 
-# Create database if it doesn't exist
-createdb -h /data/postgresql/run -U postgres postgres || true
+# Create database and roles
+su postgres -c "createuser -s postgres" || true
+su postgres -c "createuser -s node" || true
+su postgres -c "createdb -U postgres postgres" || true
 
 # Wait for PostgreSQL to be ready
-until pg_isready -h /data/postgresql/run; do
+until su postgres -c "pg_isready -h /data/postgresql/run"; do
   echo "Waiting for PostgreSQL to be ready..."
   sleep 1
 done