add info about language format and add it to the .env

Update inline docs

.env.example

@@ -22,6 +22,8 @@ INSECURE=true
 #COMPOSE_FILE=docker-compose.yml:weboffice/collabora.yml:external-proxy/opencloud.yml:external-proxy/collabora.yml
 # Keycloak Shared User Directory
 #COMPOSE_FILE=docker-compose.yml:weboffice/collabora.yml:traefik/opencloud.yml:traefik/collabora.yml:idm/ldap-keycloak.yml:traefik/ldap-keycloak.yml
+# External IDP
+#COMPOSE_FILE=docker-compose.yml:weboffice/collabora.yml:traefik/opencloud.yml:traefik/collabora.yml:idm/external-idp.yml
 
 ## Traefik Settings ##
 # Note: Traefik is always enabled and can't be disabled.
@@ -64,6 +66,7 @@ TRAEFIK_SERVICES_TLS_CONFIG="tls.certresolver=letsencrypt"
 #
 # The certificates need to be copied into ./certs/, the absolute path inside the container is /certs/.
 # You can also use TRAEFIK_CERTS_DIR=/path/on/host to set the path to the certificates directory.
+#TRAEFIK_CERTS_DIR=./certs
 # Enable the access log for Traefik by setting the following variable to true.
 TRAEFIK_ACCESS_LOG=
 # Configure the log level for Traefik.
@@ -124,17 +127,23 @@ LOG_LEVEL=
 # This matches the default user inside the container and avoids permission issues when accessing files.
 # Note that especially the data directory can grow big.
 # Leaving it default stores data in docker internal volumes.
-# OC_CONFIG_DIR=/your/local/opencloud/config
-# OC_DATA_DIR=/your/local/opencloud/data
+OC_CONFIG_DIR=
+OC_DATA_DIR=
 # OpenCloud Web can load extensions from a local directory.
 # The default uses the bind mount to the config/opencloud/apps directory.
-# Example: curl -L https://github.com/opencloud-eu/web-extensions/releases/download/unzip-v1.0.2/unzip-1.0.2.zip | tar -xz -C config/opencloud/apps
+# Example: curl -L https://github.com/opencloud-eu/web-extensions/releases/download/unzip-v1.0.2/unzip-1.0.2.zip -o config/opencloud/apps/unzip-1.0.2.zip && unzip config/opencloud/apps/unzip-1.0.2.zip -d config/opencloud/apps && rm config/opencloud/apps/unzip-1.0.2.zip 
 # NOTE: you need to restart the openCloud container to load the new extensions.
 #OC_APPS_DIR=/your/local/opencloud/apps
+#
+# The default language used by services and the WebUI.
+# Uses ISO 639-1 language codes (e.g. "en", "de", "fr").
+# Defaults to English if not set.
+DEFAULT_LANGUAGE=
 
 # Define the ldap-server storage location. Set the paths for config and data to a local path.
-# LDAP_CERTS_DIR=
-# LDAP_DATA_DIR=
+# Leaving it default stores data in docker internal volumes.
+LDAP_CERTS_DIR=
+LDAP_DATA_DIR=
 
 # S3 Storage configuration - optional
 # OpenCloud supports S3 storage as primary storage.

docker-compose.yml

@@ -53,6 +53,8 @@ services:
       OC_PASSWORD_POLICY_MIN_UPPERCASE_CHARACTERS: "${OC_PASSWORD_POLICY_MIN_UPPERCASE_CHARACTERS:-1}"
       OC_PASSWORD_POLICY_MIN_DIGITS: "${OC_PASSWORD_POLICY_MIN_DIGITS:-1}"
       OC_PASSWORD_POLICY_MIN_SPECIAL_CHARACTERS: "${OC_PASSWORD_POLICY_MIN_SPECIAL_CHARACTERS:-1}"
+      # default language for services/WebUI; defaults to English, language code (ISO 639-1, e.g. de, en, fr)
+      OC_DEFAULT_LANGUAGE: ${DEFAULT_LANGUAGE}
     volumes:
       - ./config/opencloud/csp.yaml:/etc/opencloud/csp.yaml
       - ./config/opencloud/banned-password-list.txt:/etc/opencloud/banned-password-list.txt