diff --git a/README.md b/README.md
index 1fe72f498..566a4f178 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,7 @@
 [![GoDoc](https://godoc.org/code.gitea.io/gitea?status.svg)](https://godoc.org/code.gitea.io/gitea)
 [![Release](https://github-release-version.herokuapp.com/github/go-gitea/gitea/release.svg?style=flat)](https://github.com/go-gitea/gitea/releases/latest)
 [![Help Contribute to Open Source](https://www.codetriage.com/go-gitea/gitea/badges/users.svg)](https://www.codetriage.com/go-gitea/gitea)
+[![Become a backer/sponsor of gitea](https://opencollective.com/gitea/tiers/backer/badge.svg?label=backer&color=brightgreen)](https://opencollective.com/gitea)
 
 | | | |
 |:---:|:---:|:---:|
diff --git a/README_ZH.md b/README_ZH.md
index 47cee8312..db9e17476 100644
--- a/README_ZH.md
+++ b/README_ZH.md
@@ -9,6 +9,7 @@
 [![Go Report Card](https://goreportcard.com/badge/code.gitea.io/gitea)](https://goreportcard.com/report/code.gitea.io/gitea)
 [![GoDoc](https://godoc.org/code.gitea.io/gitea?status.svg)](https://godoc.org/code.gitea.io/gitea)
 [![Release](https://github-release-version.herokuapp.com/github/go-gitea/gitea/release.svg?style=flat)](https://github.com/go-gitea/gitea/releases/latest)
+[![Become a backer/sponsor of gitea](https://opencollective.com/gitea/tiers/backer/badge.svg?label=backer&color=brightgreen)](https://opencollective.com/gitea)
 
 | | | |
 |:---:|:---:|:---:|
diff --git a/docs/content/doc/installation/with-docker.en-us.md b/docs/content/doc/installation/with-docker.en-us.md
index efcb56b3e..9494fd603 100644
--- a/docs/content/doc/installation/with-docker.en-us.md
+++ b/docs/content/doc/installation/with-docker.en-us.md
@@ -223,6 +223,27 @@ favorite browser to finalize the installation. Visit http://server-ip:3000 and f
 installation wizard. If the database was started with the `docker-compose` setup as
 documented above please note that `db` must be used as the database hostname.
 
+## Environments variables
+
+You can configure some of Gitea's settings via environment variables:
+
+(Default values are provided in **bold**)
+
+* `APP_NAME`: **"Gitea: Git with a cup of tea"**: Application name, used in the page title.
+* `RUN_MODE`: **dev**: For performance and other purposes, change this to `prod` when deployed to a production environment.
+* `SSH_DOMAIN`: **localhost**: Domain name of this server, used for displayed clone UR in Gitea's UI.
+* `SSH_PORT`: **22**: SSH port displayed in clone URL.
+* `DISABLE_SSH`: **false**: Disable SSH feature when it's not available.
+* `HTTP_PORT`: **3000**: HTTP listen port.
+* `ROOT_URL`: **""**: Overwrite the automatically generated public URL. This is useful if the internal and the external URL don't match (e.g. in Docker).
+* `DB_TYPE`: **sqlite3**: The database type in use \[mysql, postgres, mssql, sqlite3\].
+* `DB_HOST`: **localhost:3306**: Database host address and port.
+* `DB_NAME`: **gitea**: Database name.
+* `DB_USER`: **root**: Database username.
+* `DB_PASSWD`: **"<empty>"**: Database user password. Use \`your password\` for quoting if you use special characters in the password.
+* `INSTALL_LOCK`: **false**: Disallow access to the install page.
+* `SECRET_KEY`: **""**: Global secret key. This should be changed. If this has a value and `INSTALL_LOCK` is empty, `INSTALL_LOCK` will automatically set to `true`.
+
 # Customization
 
 Customization files described [here](https://docs.gitea.io/en-us/customizing-gitea/) should
diff --git a/options/locale/locale_hu-HU.ini b/options/locale/locale_hu-HU.ini
index 91f77063d..1329fb508 100644
--- a/options/locale/locale_hu-HU.ini
+++ b/options/locale/locale_hu-HU.ini
@@ -1114,6 +1114,8 @@ branch.restore_success=A(z) %s ág sikeresen visszaállítva
 branch.restore_failed=A(z) %s ág visszaállítása sikertelen.
 branch.protected_deletion_failed=Nem lehetséges a védett ágat (%s) törölni.
 
+topic.manage_topics=Témák kezelése
+topic.done=Kész
 
 [org]
 org_name_holder=Szervezet neve
diff --git a/options/locale/locale_pt-BR.ini b/options/locale/locale_pt-BR.ini
index 228f57636..57b405382 100644
--- a/options/locale/locale_pt-BR.ini
+++ b/options/locale/locale_pt-BR.ini
@@ -1114,6 +1114,8 @@ branch.restore_success=%s restaurado com sucesso
 branch.restore_failed=Falha ao restaurar branch %s.
 branch.protected_deletion_failed=Não é possível excluir a branch %s protegida.
 
+topic.manage_topics=Gerenciar Tópicos
+topic.done=Feito
 
 [org]
 org_name_holder=Nome da organização