環境 (env)

$ curl 'http://localhost:8080/actuator/env' -i -X GET

HTTP/1.1 200 OK
Content-Type: application/vnd.spring-boot.actuator.v3+json
Content-Length: 24685

{
  "activeProfiles" : [ ],
  "defaultProfiles" : [ "default" ],
  "propertySources" : [ {
    "name" : "servletContextInitParams",
    "properties" : { }
  }, {
    "name" : "systemProperties",
    "properties" : {
      "java.specification.version" : {
        "value" : "24"
      },
      "java.class.path" : {
        "value" : "/home/runner/.gradle/caches/8.14.3/workerMain/gradle-worker.jar:/home/runner/work/spring-boot/spring-boot/documentation/spring-boot-actuator-docs/build/classes/java/test:/home/runner/work/spring-boot/spring-boot/documentation/spring-boot-actuator-docs/build/resources/test:/home/runner/work/spring-boot/spring-boot/test-support/spring-boot-test-support/build/libs/spring-boot-test-support-4.0.0-M1.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-web-server-test/build/libs/spring-boot-web-server-test-4.0.0-M1.jar:/home/runner/work/spring-boot/spring-boot/core/spring-boot-test/build/libs/spring-boot-test-4.0.0-M1.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-actuator-autoconfigure/build/libs/spring-boot-actuator-autoconfigure-4.0.0-M1.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-cache/build/libs/spring-boot-cache-4.0.0-M1.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-flyway/build/libs/spring-boot-flyway-4.0.0-M1.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-health/build/libs/spring-boot-health-4.0.0-M1.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-webmvc/build/libs/spring-boot-webmvc-4.0.0-M1.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-http-converter/build/libs/spring-boot-http-converter-4.0.0-M1.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-integration/build/libs/spring-boot-integration-4.0.0-M1.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-jackson/build/libs/spring-boot-jackson-4.0.0-M1.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-liquibase/build/libs/spring-boot-liquibase-4.0.0-M1.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-jdbc/build/libs/spring-boot-jdbc-4.0.0-M1.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-metrics/build/libs/spring-boot-metrics-4.0.0-M1.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-quartz/build/libs/spring-boot-quartz-4.0.0-M1.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-reactor-netty/build/libs/spring-boot-reactor-netty-4.0.0-M1.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-session/build/libs/spring-boot-session-4.0.0-M1.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-tomcat/build/libs/spring-boot-tomcat-4.0.0-M1.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-webflux/build/libs/spring-boot-webflux-4.0.0-M1.jar:/home/runner/.gradle/caches/modules-2/files-2.1/io.micrometer/micrometer-registry-prometheus/1.16.0-M1/1203a9393c583b6503fa4c5a4e0585cd1b58d07c/micrometer-registry-prometheus-1.16.0-M1.jar:/home/runner/.gradle/caches/modules-2/files-2.1/io.micrometer/micrometer-core/1.16.0-M1/787bc8ec5f6bf02cfd6a4356f22f7eb719eddc15/micrometer-core-1.16.0-M1.jar:/home/runner/.gradle/caches/modules-2/files-2.1/io.prometheus/prometheus-metrics-exposition-formats/1.3.10/9f8433c962ff720dc2c83f6c2e8af069dd36a898/prometheus-metrics-exposition-formats-1.3.10.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.springframework.restdocs/spring-restdocs-mockmvc/4.0.0-M1/9c949491cc9433664e73d6bcf5268ca65da38521/spring-restdocs-mockmvc-4.0.0-M1.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.springframework.restdocs/spring-restdocs-webtestclient/4.0.0-M1/ab96b85c921cc17bb9f5c1c2bb9810bda0577fae/spring-restdocs-webtestclient-4.0.0-M1.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.junit.jupiter/junit-jupiter/5.13.4/93547b3eca48a61f65f735c1898d3ec196e34149/junit-jupiter-5.13.4.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.mockito/mockito-junit-jupiter/5.18.0/18a6cbc02f0a65c93e650df6911e4b7d7621071e/mockito-junit-jupiter-5.18.0.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.junit.jupiter/junit-jupiter-params/5.13.4/c8930eb7fcfbed0b191703ab53f48475a75bd17/junit-jupiter-params-5.13.4.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.junit.jupiter/junit-jupiter-engine/5.13.4/d29fc8b6a28d21b8741f299ae4deb3e3aa68b2e8/junit-jupiter-engine-5.13.4.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.junit.jupiter/junit-jupiter-api/5.13.4/2817f736551fe4949b79924715ef6f594ee072f4/junit-jupiter-api-5.13.4.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.junit.platform/junit-platform-engine/1.13.4/cdd49063ae6e25494d1a9a08f4a9ab5de2b73bcb/junit-platform-engine-1.13.4.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.junit.platform/junit-platform-commons/1.13.4/8f63c7ed05b473d95cc63d1082054d7bfcf9c0e5/junit-platform-commons-1.13.4.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.junit.platform/junit-platform-launcher/1.13.4/e72a4d00af6177569fd57df4c8c4bb241c6aa4b6/junit-platform-launcher-1.13.4.jar:/home/runner/.gradle/caches/modules-2/files-2.1/ch.qos.logback/logback-classic/1.5.18/fc371f3fc97a639de2d67947cffb7518ec5e3d40/logback-classic-1.5.18.jar:/home/runner/.gradle/caches/modules-2/files-2.1/com.h2database/h2/2.3.232/4fcc05d966ccdb2812ae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el/3.9.10/e9cf4cda5a52c4b11290dc5b2305f3769fe35b1d/maven-model-3.9.10.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.apache.maven/maven-repository-metadata/3.9.10/afb88b856e7e5a8950fb03a7ce2cbaa3a66c21c9/maven-repository-metadata-3.9.10.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.apache.maven/maven-artifact/3.9.10/cdf10197d944731dd2e19aa171b09550269e4414/maven-artifact-3.9.10.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.codehaus.plexus/plexus-utils/3.6.0/e8bc129728f22671a36fff3b604edcd39073a7b1/plexus-utils-3.6.0.jar:/home/runner/.gradle/caches/modules-2/files-2.1/io.micrometer/micrometer-commons/1.16.0-M1/acbc3d385b96e6c9a8914479e7f1874149a216d0/micrometer-commons-1.16.0-M1.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.jspecify/jspecify/1.0.0/7425a601c1c7ec76645a78d22b8c6a627edee507/jspecify-1.0.0.jar:/home/runner/.gradle/caches/modules-2/files-2.1/io.prometheus/prometheus-metrics-core/1.3.10/30c645782bc458a4868f59a9218c8395250a9f69/prometheus-metrics-core-1.3.10.jar:/home/runner/.gradle/caches/modules-2/files-2.1/io.prometheus/prometheus-metrics-exposition-textformats/1.3.10/7475c21ee94b4c46ff0394a2df02b3d2c5443690/prometheus-metrics-exposition-textformats-1.3.10.jar:/home/runner/.gradle/caches/modules-2/files-2.1/io.prometheus/prometheus-metrics-config/1.3.10/4fe03e3cc60188a32385bbd4559368842815e435/prometheus-metrics-config-1.3.10.jar:/home/runner/.gradle/caches/modules-2/files-2.1/io.prometheus/prometheus-metrics-model/1.3.10/e74c144f68e0258cbbdea64d4e387e65ebae6329/prometheus-metrics-model-1.3.10.jar:/home/runner/.gradle/caches/modules-2/files-2.1/io.prometheus/prometheus-metrics-tracer-common/1.3.10/abf6e4d1a41d96e37b200606e121697751794a45/prometheus-metrics-tracer-common-1.3.10.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.apache.commons/commons-collections4/4.5.0/e5cf89f0c6e132fc970bd9a465fdcb8dbe94f75a/commons-collections4-4.5.0.jar:/home/runner/.gradle/caches/modules-2/files-2.1/commons-io/commons-io/2.19.0/1f8d4a99ba72b77aa69101175efc79b0c7dcdd7e/commons-io-2.19.0.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.codehaus.plexus/plexus-interpolation/1.28/90d3608cd99f21717a581f036a1c69ff762f5ed6/plexus-interpolation-1.28.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.apache.maven/maven-builder-support/3.9.10/56ef0175ff20fa59761becdf7536863a0eefd550/maven-builder-support-3.9.10.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.eclipse.sisu/org.eclipse.sisu.inject/0.9.0.M4/a062d8e12dc62e698c9f943a3fce94e366b4e220/org.eclipse.sisu.inject-0.9.0.M4.jar:/home/runner/.gradle/caches/modules-2/files-2.1/net.minidev/accessors-smart/2.5.2/ce16fd235cfee48e67eda33e684423bba09f7d07/accessors-smart-2.5.2.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.ow2.asm/asm/9.8/dc19ecb3f7889b7860697215cae99c0f9b6f6b4b/asm-9.8.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.hdrhistogram/HdrHistogram/2.2.2/7959933ebcc0f05b2eaa5af0a0c8689fa257b15c/HdrHistogram-2.2.2.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.latencyutils/LatencyUtils/2.0.3/769c0b82cb2421c8256300e907298a9410a2a3d3/LatencyUtils-2.0.3.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.objenesis/objenesis/3.3/1049c09f1de4331e8193e579448d0916d75b7631/objenesis-3.3.jar:/home/runner/.gradle/caches/modules-2/files-2.1/com.thoughtworks.qdox/qdox/2.2.0/39651eb3ce73d6e506490ea352e1e13eab6b55e8/qdox-2.2.0.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.opentest4j/opentest4j/1.3.0/152ea56b3a72f655d4fd677fc0ef2596c3dd5e6e/opentest4j-1.3.0.jar"
      },
      "java.vm.vendor" : {
        "value" : "BellSoft"
      }
    }
  }, {
    "name" : "systemEnvironment",
    "properties" : {
      "JAVA_HOME" : {
        "origin" : "System Environment Property \"JAVA_HOME\"",
        "value" : "/opt/hostedtoolcache/Java_Liberica_jdk/24.0.2-12/x64"
      }
    }
  }, {
    "name" : "Config resource 'class path resource [org/springframework/boot/actuate/docs/env/application.properties]' via location 'classpath:/org/springframework/boot/actuate/docs/env/'",
    "properties" : {
      "com.example.cache.max-size" : {
        "origin" : "class path resource [org/springframework/boot/actuate/docs/env/application.properties] - 1:29",
        "value" : "1000"
      }
    }
  }, {
    "name" : "applicationInfo",
    "properties" : { }
  } ]
}

$ curl 'http://localhost:8080/actuator/env/com.example.cache.max-size' -i -X GET

HTTP/1.1 200 OK
Content-Disposition: inline;filename=f.txt
Content-Type: application/vnd.spring-boot.actuator.v3+json
Content-Length: 722

{"property":{"source":"Config resource 'class path resource [org/springframework/boot/actuate/docs/env/application.properties]' via location 'classpath:/org/springframework/boot/actuate/docs/env/'","value":"1000"},"activeProfiles":[],"defaultProfiles":["default"],"propertySources":[{"name":"servletContextInitParams"},{"name":"systemProperties"},{"name":"systemEnvironment"},{"name":"Config resource 'class path resource [org/springframework/boot/actuate/docs/env/application.properties]' via location 'classpath:/org/springframework/boot/actuate/docs/env/'","property":{"value":"1000","origin":"class path resource [org/springframework/boot/actuate/docs/env/application.properties] - 1:29"}},{"name":"applicationInfo"}]}