Fix api nginx docker image version

docker-compose-parts/api.yml

@@ -8,6 +8,7 @@ services:
       target: production
       args:
         DOMAIN: $DOMAIN
+        NGINX_ALPINE_IMG:
     container_name: isard-sso-api
     volumes:
       - /etc/localtime:/etc/localtime:ro

docker/api/Dockerfile

@@ -1,4 +1,5 @@
-FROM nginx:alpine as production
+ARG NGINX_ALPINE_IMG
+FROM $NGINX_ALPINE_IMG as production
 MAINTAINER isard <info@isard.com>
 
 RUN apk add --no-cache python3 py3-pip

main.conf.example

@@ -39,4 +39,5 @@ POSTGRES_PASSWORD=postgrespostgres
 POSTGRES_USER=admin
 
 ## DOCKER IMAGES
+NGINX_ALPINE_IMG=nginx:1.21.6-alpine
 POSTGRES_BACKUP_LOCAL_IMG=14-debian-2aa03d1