diff --git a/.woodpecker/testing-amd64.yml b/.woodpecker/testing-amd64.yml
index 340ee55736..94fd9e1844 100644
--- a/.woodpecker/testing-amd64.yml
+++ b/.woodpecker/testing-amd64.yml
@@ -75,6 +75,14 @@ pipeline:
     commands:
     - ./build/test-env-prepare.sh
 
+  environment-to-ini:
+    image: *golang_image
+    environment:
+      GOPROXY_OVERRIDE: *goproxy_override
+    commands:
+      - *goproxy_setup
+      - go test contrib/environment-to-ini/environment-to-ini.go contrib/environment-to-ini/environment-to-ini_test.go
+
   build:
     image: *test_image
     environment:
diff --git a/contrib/environment-to-ini/environment-to-ini.go b/contrib/environment-to-ini/environment-to-ini.go
index 3405d7d429..ba546efa7d 100644
--- a/contrib/environment-to-ini/environment-to-ini.go
+++ b/contrib/environment-to-ini/environment-to-ini.go
@@ -5,6 +5,7 @@ package main
 
 import (
 	"os"
+	"regexp"
 	"strings"
 
 	"code.gitea.io/gitea/modules/log"
@@ -14,21 +15,21 @@ import (
 )
 
 // EnvironmentPrefix environment variables prefixed with this represent ini values to write
-const EnvironmentPrefix = "GITEA"
+const EnvironmentPrefix = "^(FORGEJO|GITEA)"
 
 func main() {
 	app := cli.NewApp()
 	app.Name = "environment-to-ini"
 	app.Usage = "Use provided environment to update configuration ini"
-	app.Description = `As a helper to allow docker users to update the gitea configuration
+	app.Description = `As a helper to allow docker users to update the Forgejo configuration
 	through the environment, this command allows environment variables to
 	be mapped to values in the ini.
 
-	Environment variables of the form "GITEA__SECTION_NAME__KEY_NAME"
+	Environment variables of the form "FORGEJO__SECTION_NAME__KEY_NAME"
 	will be mapped to the ini section "[section_name]" and the key
 	"KEY_NAME" with the value as provided.
 
-	Environment variables of the form "GITEA__SECTION_NAME__KEY_NAME__FILE"
+	Environment variables of the form "FORGEJO__SECTION_NAME__KEY_NAME__FILE"
 	will be mapped to the ini section "[section_name]" and the key
 	"KEY_NAME" with the value loaded from the specified file.
 
@@ -46,8 +47,8 @@ func main() {
 		...
 		"""
 
-	You would set the environment variables: "GITEA__LOG_0x2E_CONSOLE__COLORIZE=false"
-	and "GITEA__LOG_0x2E_CONSOLE__STDERR=false". Other examples can be found
+	You would set the environment variables: "FORGEJO__LOG_0x2E_CONSOLE__COLORIZE=false"
+	and "FORGEJO__LOG_0x2E_CONSOLE__STDERR=false". Other examples can be found
 	on the configuration cheat sheet.`
 	app.Flags = []cli.Flag{
 		cli.StringFlag{
@@ -63,7 +64,7 @@ func main() {
 		cli.StringFlag{
 			Name:  "work-path, w",
 			Value: setting.AppWorkPath,
-			Usage: "Set the gitea working path",
+			Usage: "Set the forgejo working path",
 		},
 		cli.StringFlag{
 			Name:  "out, o",
@@ -89,6 +90,19 @@ func main() {
 	}
 }
 
+func splitEnvironmentVariable(prefixRegexp *regexp.Regexp, kv string) (string, string) {
+	idx := strings.IndexByte(kv, '=')
+	if idx < 0 {
+		return "", ""
+	}
+	k := kv[:idx]
+	loc := prefixRegexp.FindStringIndex(k)
+	if loc == nil {
+		return "", ""
+	}
+	return k[loc[1]:], kv[idx+1:]
+}
+
 func runEnvironmentToIni(c *cli.Context) error {
 	providedCustom := c.String("custom-path")
 	providedConf := c.String("config")
@@ -119,15 +133,13 @@ func runEnvironmentToIni(c *cli.Context) error {
 
 	// clear Gitea's specific environment variables if requested
 	if c.Bool("clear") {
+		prefixRegexp := regexp.MustCompile(prefixGitea)
 		for _, kv := range os.Environ() {
-			idx := strings.IndexByte(kv, '=')
-			if idx < 0 {
+			eKey, _ := splitEnvironmentVariable(prefixRegexp, kv)
+			if eKey == "" {
 				continue
 			}
-			eKey := kv[:idx]
-			if strings.HasPrefix(eKey, prefixGitea) {
-				_ = os.Unsetenv(eKey)
-			}
+			_ = os.Unsetenv(eKey)
 		}
 	}
 
diff --git a/contrib/environment-to-ini/environment-to-ini_test.go b/contrib/environment-to-ini/environment-to-ini_test.go
new file mode 100644
index 0000000000..5881888fc1
--- /dev/null
+++ b/contrib/environment-to-ini/environment-to-ini_test.go
@@ -0,0 +1,21 @@
+// Copyright 2023 The Forgejo Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package main
+
+import (
+	"regexp"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func Test_splitEnvironmentVariable(t *testing.T) {
+	prefixRegexp := regexp.MustCompile(EnvironmentPrefix + "__")
+	k, v := splitEnvironmentVariable(prefixRegexp, "FORGEJO__KEY=VALUE")
+	assert.Equal(t, k, "KEY")
+	assert.Equal(t, v, "VALUE")
+	k, v = splitEnvironmentVariable(prefixRegexp, "nothing=interesting")
+	assert.Equal(t, k, "")
+	assert.Equal(t, v, "")
+}
diff --git a/modules/setting/config_env.go b/modules/setting/config_env.go
index 6348803705..4ec2e61289 100644
--- a/modules/setting/config_env.go
+++ b/modules/setting/config_env.go
@@ -75,19 +75,21 @@ func decodeEnvSectionKey(encoded string) (ok bool, section, key string) {
 
 // decodeEnvironmentKey decode the environment key to section and key
 // The environment key is in the form of GITEA__SECTION__KEY or GITEA__SECTION__KEY__FILE
-func decodeEnvironmentKey(prefixGitea, suffixFile, envKey string) (ok bool, section, key string, useFileValue bool) {
-	if !strings.HasPrefix(envKey, prefixGitea) {
-		return false, "", "", false
-	}
+func decodeEnvironmentKey(prefixRegexp *regexp.Regexp, suffixFile, envKey string) (ok bool, section, key string, useFileValue bool) {
 	if strings.HasSuffix(envKey, suffixFile) {
 		useFileValue = true
 		envKey = envKey[:len(envKey)-len(suffixFile)]
 	}
-	ok, section, key = decodeEnvSectionKey(envKey[len(prefixGitea):])
+	loc := prefixRegexp.FindStringIndex(envKey)
+	if loc == nil {
+		return false, "", "", false
+	}
+	ok, section, key = decodeEnvSectionKey(envKey[loc[1]:])
 	return ok, section, key, useFileValue
 }
 
 func EnvironmentToConfig(cfg ConfigProvider, prefixGitea, suffixFile string, envs []string) (changed bool) {
+	prefixRegexp := regexp.MustCompile(prefixGitea)
 	for _, kv := range envs {
 		idx := strings.IndexByte(kv, '=')
 		if idx < 0 {
@@ -97,7 +99,7 @@ func EnvironmentToConfig(cfg ConfigProvider, prefixGitea, suffixFile string, env
 		// parse the environment variable to config section name and key name
 		envKey := kv[:idx]
 		envValue := kv[idx+1:]
-		ok, sectionName, keyName, useFileValue := decodeEnvironmentKey(prefixGitea, suffixFile, envKey)
+		ok, sectionName, keyName, useFileValue := decodeEnvironmentKey(prefixRegexp, suffixFile, envKey)
 		if !ok {
 			continue
 		}
diff --git a/modules/setting/config_env_test.go b/modules/setting/config_env_test.go
index d574554bcc..41c4b4ac2a 100644
--- a/modules/setting/config_env_test.go
+++ b/modules/setting/config_env_test.go
@@ -5,6 +5,7 @@ package setting
 
 import (
 	"os"
+	"regexp"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -33,7 +34,7 @@ func TestDecodeEnvSectionKey(t *testing.T) {
 }
 
 func TestDecodeEnvironmentKey(t *testing.T) {
-	prefix := "GITEA__"
+	prefix := regexp.MustCompile("^(FORGEJO|GITEA)__")
 	suffix := "__FILE"
 
 	ok, section, key, file := decodeEnvironmentKey(prefix, suffix, "SEC__KEY")
@@ -54,6 +55,12 @@ func TestDecodeEnvironmentKey(t *testing.T) {
 	assert.Equal(t, "KEY", key)
 	assert.False(t, file)
 
+	ok, section, key, file = decodeEnvironmentKey(prefix, suffix, "FORGEJO__SEC__KEY")
+	assert.True(t, ok)
+	assert.Equal(t, "sec", section)
+	assert.Equal(t, "KEY", key)
+	assert.False(t, file)
+
 	// with "__FILE" suffix, it doesn't support to write "[sec].FILE" to config (no such key FILE is used in Gitea)
 	// but it could be fixed in the future by adding a new suffix like "__VALUE" (no such key VALUE is used in Gitea either)
 	ok, section, key, file = decodeEnvironmentKey(prefix, suffix, "GITEA__SEC__FILE")
@@ -72,7 +79,7 @@ func TestDecodeEnvironmentKey(t *testing.T) {
 func TestEnvironmentToConfig(t *testing.T) {
 	cfg, _ := NewConfigProviderFromData("")
 
-	changed := EnvironmentToConfig(cfg, "GITEA__", "__FILE", nil)
+	changed := EnvironmentToConfig(cfg, "^(FORGEJO|GITEA)__", "__FILE", nil)
 	assert.False(t, changed)
 
 	cfg, err := NewConfigProviderFromData(`
@@ -81,16 +88,16 @@ key = old
 `)
 	assert.NoError(t, err)
 
-	changed = EnvironmentToConfig(cfg, "GITEA__", "__FILE", []string{"GITEA__sec__key=new"})
+	changed = EnvironmentToConfig(cfg, "^(FORGEJO|GITEA)__", "__FILE", []string{"GITEA__sec__key=new"})
 	assert.True(t, changed)
 	assert.Equal(t, "new", cfg.Section("sec").Key("key").String())
 
-	changed = EnvironmentToConfig(cfg, "GITEA__", "__FILE", []string{"GITEA__sec__key=new"})
+	changed = EnvironmentToConfig(cfg, "^(FORGEJO|GITEA)__", "__FILE", []string{"GITEA__sec__key=new"})
 	assert.False(t, changed)
 
 	tmpFile := t.TempDir() + "/the-file"
 	_ = os.WriteFile(tmpFile, []byte("value-from-file"), 0o644)
-	changed = EnvironmentToConfig(cfg, "GITEA__", "__FILE", []string{"GITEA__sec__key__FILE=" + tmpFile})
+	changed = EnvironmentToConfig(cfg, "^(FORGEJO|GITEA)__", "__FILE", []string{"GITEA__sec__key__FILE=" + tmpFile})
 	assert.True(t, changed)
 	assert.Equal(t, "value-from-file", cfg.Section("sec").Key("key").String())
 }