# 설정과 환경 변수 { #settings-and-environment-variables }

많은 경우 애플리케이션에는 외부 설정이나 구성(예: secret key, 데이터베이스 자격 증명, 이메일 서비스 자격 증명 등)이 필요할 수 있습니다.

이러한 설정 대부분은 데이터베이스 URL처럼 변동 가능(변경될 수 있음)합니다. 그리고 많은 설정은 secret처럼 민감할 수 있습니다.

이 때문에 보통 애플리케이션이 읽어들이는 환경 변수로 이를 제공하는 것이 일반적입니다.

/// tip | 팁

환경 변수를 이해하려면 [환경 변수](../environment-variables.md)를 읽어보세요.

///

## 타입과 검증 { #types-and-validation }

                    }
                }
            }
        }
    }

    /**
     * Gets a map of filtered environment variables.
     *
     * @param keyPattern The pattern to filter environment variable keys.
     * @return A map of filtered environment variables.
     */
    public Map<String, String> getFilteredEnvMap(final String keyPattern) {

var GlobalContext, cancelGlobalContext = context.WithCancel(context.Background())

// restartProcess starts a new process passing it the active fd's. It
// doesn't fork, but starts a new process using the same environment and
// arguments as when it was originally started. This allows for a newly
// deployed binary to be started. It returns the pid of the newly started
// process when successful.
func restartProcess() error {

# Short-Description: This service manages the fess daemon
# Description: Fess is very powerful and easily deployable Enterprise Search Server. You can install and run Fess quickly on any platforms, which have Java runtime environment. Fess is provided under Apache license.
### END INIT INFO

#
# init.d / servicectl compatibility (openSUSE)
#
if [ -f /etc/rc.status ]; then
    . /etc/rc.status
    rc_reset
fi

#

    private final String fileName = "testFile.txt";
    private final int access = SmbFile.GENERIC_READ | SmbFile.GENERIC_WRITE;
    private ServerMessageBlock andx;

    /**
     * Sets up the test environment before each test.
     */
    @BeforeEach
    void setUp() {
        andx = mock(ServerMessageBlock.class);
    }

    /**
     * Test constructor with O_CREAT and O_TRUNC flags.
     */
    @Test

    }

    @Test
    public void test_getEnvironment() {
        // Test getEnvironment returns the correct environment
        Hashtable<String, String> env = ldapUser.getEnvironment();
        assertSame(testEnv, env);
        assertEquals("test.value", env.get("test.key"));

        // Test with empty environment
        Hashtable<String, String> emptyEnv = new Hashtable<>();
        LdapUser user = new LdapUser(emptyEnv, "user");

package config

import (
	"bytes"
	"crypto/tls"
	"crypto/x509"
	"encoding/pem"
	"errors"
	"os"

	"github.com/minio/pkg/v3/env"
)

// EnvCertPassword is the environment variable which contains the password used
// to decrypt the TLS private key. It must be set if the TLS private key is
// password protected.
const EnvCertPassword = "MINIO_CERT_PASSWD"

    }

    /**
     * Gets the system properties to use for interpolation and profile activation. The system properties are collected
     * from the runtime environment like {@link System#getProperties()} and environment variables.
     *
     * @return The system properties, never {@code null}.
     */
    public Properties getSystemProperties() {
        return request.getSystemProperties();
    }

  - Retention headers can be optionally set while uploading objects
  - Once objects are uploaded PutObjectRetention API can be called to change retention settings
- *MINIO_NTP_SERVER* environment variable can be set to remote NTP server endpoint if system time is not desired for setting retention dates.

## Explore Further

        {
            "url": "/api/v1"
        },
        {
            "url": "https://stag.example.com",
            "description": "Staging environment"
        },
        {
            "url": "https://prod.example.com",
            "description": "Production environment"
        }
    ],
    "paths": {
            // More stuff here
    }
}
```

/// tip