add server nginx for compatibility with uwsgi

.env_sample

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+#version Trytond server example 6.0
+TRYTOND_VERSION=6.6
+#python version that will run the docker example  3.7 or 3.9 is mandatory in case you use tryton6.2
+PYTHON_VERSION=3.9
+#if the module repository is private
+GITEA_USER=
+GITEA_PASSWORD=
+GITEA_ACCESS_TOKEN=
+#Repository Multi Migrate
+REPO_MULTI_MIGRATE=OneTeam/oc-multi_migrate_to_gitea.git
+#domain server gitea
+GITEA_DOMAIN=git.disroot.org
+URL_MULTI_MIGRATE=https://${GITEA_USER}:${GITEA_PASSWORD}@${GITEA_DOMAIN}/OneTeam/oc-multi_migrate_to_gitea.git
+#By default all organizations are set to false, activate only one. 
+#GnuHealth, Etrivial, tryton-ar, OneTeam, OneTeam_Pos, Presik, Datalife, NaNtic, Kalenis
+Provider=
+DIR_MODULES=/usr/local/lib/python${PYTHON_VERSION}/dist-packages/trytond/modules
+DB_PASSWORD=SUp3r-pass*DB
+POSTGRES_DB=tryton
+DB_HOSTNAME=db
+POSTGRES_PASSWORD=SUp3r-pass*DB
+TRYTON_PORT=8000
+DEVELOP=True
+WORKER=True
+TRYTONPASSFILE=/etc/trytond_admin_pass.conf
+#Password user admin
+TRYTONADMINPASS=admin
+#Email user admin
+EMAIL=admin@admin.com
+SLEEP_TRYTOND_ADMIN=15
+#SMTP 
+#This value is True or False
+SMTP=False
+SMTP_TYPE=smtps+ssl
+SMTP_USER=
+SMTP_PASSWORD=
+SMTP_DOMAIN=
+SMTP_PORT=465
+SMTP_FROM=NAME_FROM <mail>
+SMTP_EMAIL=
+#NGINX
+SERVER_NAME=mydomain.org
+NGINX_PORT=8001

nginx.conf

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+server {
+    server_name ${SERVER_NAME};
+    listen ${NGINX_PORT};
+    client_max_body_size 50M;
+
+    sendfile on;
+    send_timeout 300s;
+
+    location / {
+        proxy_pass http://tryton:8000/; # "trytond" is the service name of another Docker container on port 8000
+	proxy_read_timeout 300;
+	proxy_connect_timeout 300;
+	proxy_send_timeout 300;
+	proxy_set_header Host ${VARIABLE}host;
+        proxy_set_header X-Real-IP ${VARIABLE}remote_addr;
+        proxy_set_header X-Forwarded-For ${VARIABLE}proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Host ${VARIABLE}server_name;
+    }
+}