Environment (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: 25136

{
  "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-SNAPSHOT.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-web-server-test/build/libs/spring-boot-web-server-test-4.0.0-SNAPSHOT.jar:/home/runner/work/spring-boot/spring-boot/core/spring-boot-test/build/libs/spring-boot-test-4.0.0-SNAPSHOT.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-actuator-autoconfigure/build/libs/spring-boot-actuator-autoconfigure-4.0.0-SNAPSHOT.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-cache/build/libs/spring-boot-cache-4.0.0-SNAPSHOT.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-flyway/build/libs/spring-boot-flyway-4.0.0-SNAPSHOT.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-health/build/libs/spring-boot-health-4.0.0-SNAPSHOT.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-webmvc/build/libs/spring-boot-webmvc-4.0.0-SNAPSHOT.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-http-converter/build/libs/spring-boot-http-converter-4.0.0-SNAPSHOT.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-integration/build/libs/spring-boot-integration-4.0.0-SNAPSHOT.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-jackson/build/libs/spring-boot-jackson-4.0.0-SNAPSHOT.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-liquibase/build/libs/spring-boot-liquibase-4.0.0-SNAPSHOT.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-jdbc/build/libs/spring-boot-jdbc-4.0.0-SNAPSHOT.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-micrometer-metrics/build/libs/spring-boot-micrometer-metrics-4.0.0-SNAPSHOT.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-quartz/build/libs/spring-boot-quartz-4.0.0-SNAPSHOT.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-reactor-netty/build/libs/spring-boot-reactor-netty-4.0.0-SNAPSHOT.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-session/build/libs/spring-boot-session-4.0.0-SNAPSHOT.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-tomcat/build/libs/spring-boot-tomcat-4.0.0-SNAPSHOT.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-webflux/build/libs/spring-boot-webflux-4.0.0-SNAPSHOT.jar:/home/runner/.gradle/caches/modules-2/files-2.1/io.micrometer/micrometer-registry-prometheus/1.16.0-M3/f11c5be22084618cc75044d03cb041664a1e464d/micrometer-registry-prometheus-1.16.0-M3.jar:/home/runner/.gradle/caches/modules-2/files-2.1/io.micrometer/micrometer-core/1.16.0-M3/8aecb8aa222d41cc5a08691de5cf3e10e6f0b94a/micrometer-core-1.16.0-M3.jar:/home/runner/.gradle/caches/modules-2/files-2.1/io.prometheus/prometheus-metrics-exposition-formats/1.4.1/39de9a25ca39b151b4815c44632a9b93d55ab288/prometheus-metrics-exposition-formats-1.4.1.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.springframework.restdocs/spring-restdocs-mockmvc/4.0.0-M3/f776c75e5e37285fced24cf8c90216f1a3a2fa07/spring-restdocs-mockmvc-4.0.0-M3.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.springframework.restdocs/spring-restdocs-webtestclient/4.0.0-M3/f213a3638bfe9de67d0d1e6d33d35d52247cb2b5/spring-restdocs-webtestclient-4.0.0-M3.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/5.19.0/45b64e24e02e3254a4ba262a259c6cf80b723897/mockito-junit-jupiter-5.19.0.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/fc371f3fc97a639de2d67947cffb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uffer-4.2.6.Final.jar:/home/runner/.gradle/caches/modules-2/files-2.1/io.netty/netty-resolver/4.2.6.Final/121223f223094539282b916c303ac52c7875b9aa/netty-resolver-4.2.6.Final.jar:/home/runner/.gradle/caches/modules-2/files-2.1/io.netty/netty-common/4.2.6.Final/5746874869298a07b468dd50b5991f457e773620/netty-common-4.2.6.Final.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.apache.maven/maven-model/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/com.fasterxml.jackson.core/jackson-annotations/2.20/6a5e7291ea3f2b590a7ce400adb7b3aea4d7e12c/jackson-annotations-2.20.jar:/home/runner/.gradle/caches/modules-2/files-2.1/io.prometheus/prometheus-metrics-core/1.4.1/57a307dcbbee8f9609423f8bdeec85bcb0371a05/prometheus-metrics-core-1.4.1.jar:/home/runner/.gradle/caches/modules-2/files-2.1/io.prometheus/prometheus-metrics-exposition-textformats/1.4.1/173b3b8fa81ff8ca49a199da38d8bf5620202dd0/prometheus-metrics-exposition-textformats-1.4.1.jar:/home/runner/.gradle/caches/modules-2/files-2.1/io.prometheus/prometheus-metrics-model/1.4.1/f2b874429f38b55494b009c3c8f8015d7c0e4d44/prometheus-metrics-model-1.4.1.jar:/home/runner/.gradle/caches/modules-2/files-2.1/io.prometheus/prometheus-metrics-config/1.4.1/8f1f26b2bf98c42c846d6cc455c2549c6949373a/prometheus-metrics-config-1.4.1.jar:/home/runner/.gradle/caches/modules-2/files-2.1/io.prometheus/prometheus-metrics-tracer-common/1.4.1/cfd00f53d5a7dc48c7664c6b8185b36dadbbbe82/prometheus-metrics-tracer-common-1.4.1.jar:/home/runner/.gradle/caches/modules-2/files-2.1/com.vaadin.external.google/android-json/0.0.20131108.vaadin1/fa26d351fe62a6a17f5cda1287c1c6110dec413f/android-json-0.0.20131108.vaadin1.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/2.6.0/2d96f1d9b6ab7f13261aa81b15703574185747a0/accessors-smart-2.6.0.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

{"activeProfiles":[],"defaultProfiles":["default"],"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"},"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":{"origin":"class path resource [org/springframework/boot/actuate/docs/env/application.properties] - 1:29","value":"1000"}},{"name":"applicationInfo"}]}