add locale installation

Dockerfile

@@ -0,0 +1,10 @@
+FROM odoo:16.0
+
+USER root
+RUN apt update
+RUN apt install -y locales
+RUN sed -i -e 's/# en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/' /etc/locale.gen && \
+    sed -i -e 's/# fr_FR.UTF-8 UTF-8/fr_FR.UTF-8 UTF-8/' /etc/locale.gen && \
+    dpkg-reconfigure --frontend=noninteractive locales
+
+USER odoo

docker-compose.yml

@@ -1,6 +1,7 @@
 services:
   web:
     image: "odoo:${ODOO_VERSION}"
+    build: .
     depends_on:
       - db
     ports: