diff --git a/2.build.postgresql.sh b/2.build.postgresql.sh
index e041495..3379869 100755
--- a/2.build.postgresql.sh
+++ b/2.build.postgresql.sh
@@ -1,6 +1,28 @@
-#cd postgresql-config
-#docker build -t postgres15-5434-image .
+#!/bin/bash
+set -euo pipefail
+
+NEW_PORT=5455
+DIR=./config-postgresql
+
+mkdir -p "$DIR"
+
+cat > "$DIR/Dockerfile" <<EOF
+# Utiliser l'image officielle PostgreSQL 15
+FROM postgres:15
+
+# Changer le port d'écoute dans la configuration PostgreSQL
+RUN sed -i 's/^#port = 5432/port = $NEW_PORT/' /usr/share/postgresql/postgresql.conf.sample
+
+# Copier la configuration dans le répertoire de configuration PostgreSQL
+CMD ["postgres", "-c", "config_file=/usr/share/postgresql/postgresql.conf.sample"]
+EOF
+
+sed -i -E "s/^([[:space:]]*)db_port[[:space:]]*=.*/\1db_port = $NEW_PORT/" ./odoo.conf
+
+sed -i "s/postgres15-5434/postgres15-$NEW_PORT/g" ./docker-compose.yml
+
+
+
 docker build \
-  -f ./config-postgresql/Dockerfile \
-  -t postgres15-5434-image .
-#cd ..
+  -f "$DIR/Dockerfile" \
+  -t "postgres15-$NEW_PORT-image" .