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: 25715

{
  "activeProfiles" : [ ],
  "defaultProfiles" : [ "default" ],
  "propertySources" : [ {
    "name" : "servletContextInitParams",
    "properties" : { }
  }, {
    "name" : "systemProperties",
    "properties" : {
      "java.specification.version" : {
        "value" : "25"
      },
      "java.class.path" : {
        "value" : "/home/runner/.gradle/caches/9.4.1/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-4.1.0-SNAPSHOT.jar:/home/runner/work/spring-boot/spring-boot/core/spring-boot-test/build/libs/spring-boot-test-4.1.0-SNAPSHOT.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-actuator-autoconfigure/build/libs/spring-boot-actuator-autoconfigure-4.1.0-SNAPSHOT.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-cache/build/libs/spring-boot-cache-4.1.0-SNAPSHOT.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-flyway/build/libs/spring-boot-flyway-4.1.0-SNAPSHOT.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-health/build/libs/spring-boot-health-4.1.0-SNAPSHOT.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-webmvc/build/libs/spring-boot-webmvc-4.1.0-SNAPSHOT.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-http-converter/build/libs/spring-boot-http-converter-4.1.0-SNAPSHOT.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-integration/build/libs/spring-boot-integration-4.1.0-SNAPSHOT.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-jackson/build/libs/spring-boot-jackson-4.1.0-SNAPSHOT.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-liquibase/build/libs/spring-boot-liquibase-4.1.0-SNAPSHOT.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-jdbc/build/libs/spring-boot-jdbc-4.1.0-SNAPSHOT.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-micrometer-metrics/build/libs/spring-boot-micrometer-metrics-4.1.0-SNAPSHOT.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-quartz/build/libs/spring-boot-quartz-4.1.0-SNAPSHOT.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-reactor-netty/build/libs/spring-boot-reactor-netty-4.1.0-SNAPSHOT.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-session/build/libs/spring-boot-session-4.1.0-SNAPSHOT.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-tomcat/build/libs/spring-boot-tomcat-4.1.0-SNAPSHOT.jar:/home/runner/work/spring-boot/spring-boot/module/spring-boot-webflux/build/libs/spring-boot-webflux-4.1.0-SNAPSHOT.jar:/home/runner/.gradle/caches/modules-2/files-2.1/io.micrometer/micrometer-registry-prometheus/1.17.0-M3/2a1624735777e9c2a6f71165f37bf36a23e68d6a/micrometer-registry-prometheus-1.17.0-M3.jar:/home/runner/.gradle/caches/modules-2/files-2.1/io.micrometer/micrometer-core/1.17.0-M3/721251415b6cc453242a701aec05e1c19e9a355a/micrometer-core-1.17.0-M3.jar:/home/runner/.gradle/caches/modules-2/files-2.1/io.prometheus/prometheus-metrics-exposition-formats/1.5.0/f71f1ab81f51d93b8c37c51a709542bf0f1cece0/prometheus-metrics-exposition-formats-1.5.0.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.springframework.restdocs/spring-restdocs-mockmvc/4.0.0/805d14afbdca694caa6322bf137fb6fbd30ed314/spring-restdocs-mockmvc-4.0.0.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.springframework.restdocs/spring-restdocs-webtestclient/4.0.0/9a827e4790f292a8480a758ef1d425195ea81d66/spring-restdocs-webtestclient-4.0.0.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.junit.jupiter/junit-jupiter/6.0.3/da72f4bc0feccbca639b901ace26e3a62512ebec/junit-jupiter-6.0.3.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.mockito/mockito-junit-jupiter/5.23.0/e66b5f34ffea58bf4388aba58f66a209daeba4fd/mockito-junit-jupiter-5.23.0.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.junit.jupiter/junit-jupiter-engine/6.0.3/e26f7e17d06cfc85ba7643b5ad00c87d5f2084dd/junit-jupiter-engine-6.0.3.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.junit.jupiter/junit-jupiter-params/6.0.3/6cd3efadd171a3ddd70413868a9c3af988a45907/junit-jupiter-params-6.0.3.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.junit.jupiter/junit-jupiter-api/6.0.3/2e6cfb62db85350179f0408ed5270f7cdf8cefda/junit-jupiter-api-6.0.3.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.junit.platform/junit-platform-engine/6.0.3/101305612e7daa4ce978d3ba73fd02dd4a5f22d9/junit-platform-engine-6.0.3.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.junit.platform/junit-platform-commons/6.0.3/1093a7faa2ba47c28aa83f378d9a2083463bb20c/junit-platform-commons-6.0.3.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.junit.platform/junit-platform-launcher/6.0.3/4a721cdd640ebdaa4c6850f5eee0b0377cf698b0/junit-platform-launcher-6.0.3.jar:/home/runner/.gradle/caches/modules-2/files-2.1/ch.qos.logback/logback-classic/1.5.32/2b1042c50f508f2eb402bd4d22ccbdf94cc37d2e/logback-classic-1.5.32.jar:/home/runner/.gradle/caches/modules-2/files-2.1/com.h2database/h2/2.4.240/686180ad33981ad943fdc0ab381e619b2c2fdfe5/h2-2.4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d590e0aa9c44/netty-codec-base-4.2.10.Final.jar:/home/runner/.gradle/caches/modules-2/files-2.1/io.netty/netty-transport-classes-epoll/4.2.10.Final/6d3396999238ce440c15c5258381f23b5f6083f3/netty-transport-classes-epoll-4.2.10.Final.jar:/home/runner/.gradle/caches/modules-2/files-2.1/io.netty/netty-transport-native-unix-common/4.2.10.Final/8a8495c494ab2f5b0fdd93d2f670a1ea50a6b7de/netty-transport-native-unix-common-4.2.10.Final.jar:/home/runner/.gradle/caches/modules-2/files-2.1/io.netty/netty-transport/4.2.10.Final/d9ce85a6b94fe584b0dec4b07230ac455ff975c1/netty-transport-4.2.10.Final.jar:/home/runner/.gradle/caches/modules-2/files-2.1/io.netty/netty-buffer/4.2.10.Final/b9b67175347d45b1caa5525440258904e01fac22/netty-buffer-4.2.10.Final.jar:/home/runner/.gradle/caches/modules-2/files-2.1/io.netty/netty-resolver/4.2.10.Final/888daac4608a9b5fa1a74763e0de88d0dbf459a4/netty-resolver-4.2.10.Final.jar:/home/runner/.gradle/caches/modules-2/files-2.1/io.netty/netty-common/4.2.10.Final/c55e97d9bd061a2d88418d2d831e1fa39cb975e7/netty-common-4.2.10.Final.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.apache.maven/maven-model/3.9.13/26c1ad1d305ee6d3e3b0e81bb8124d3fb4c52030/maven-model-3.9.13.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.apache.maven/maven-repository-metadata/3.9.13/dcb8ae5f9954a9a798588a96aec1b94436f4cf73/maven-repository-metadata-3.9.13.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.apache.maven/maven-artifact/3.9.13/84700887f5cace819b2d5020b04f18317c57f812/maven-artifact-3.9.13.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.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/2.21.0/52a6f68fe5afe335cde95461dd5c3412f04996f7/commons-io-2.21.0.jar:/home/runner/.gradle/caches/modules-2/files-2.1/com.fasterxml.jackson.core/jackson-annotations/2.21/b1bc1868bf02dc0bd6c7836257a036a331005309/jackson-annotations-2.21.jar:/home/runner/.gradle/caches/modules-2/files-2.1/io.prometheus/prometheus-metrics-core/1.5.0/f9b11219513f663d7ad31f5934ab05f1bd88a582/prometheus-metrics-core-1.5.0.jar:/home/runner/.gradle/caches/modules-2/files-2.1/io.prometheus/prometheus-metrics-exposition-textformats/1.5.0/8097683d4fde8a9817edd908cad3f9ffd7e8a3e7/prometheus-metrics-exposition-textformats-1.5.0.jar:/home/runner/.gradle/caches/modules-2/files-2.1/io.prometheus/prometheus-metrics-model/1.5.0/293fa539127dc4094fdaaf3a9d618b0996c2dc97/prometheus-metrics-model-1.5.0.jar:/home/runner/.gradle/caches/modules-2/files-2.1/io.prometheus/prometheus-metrics-config/1.5.0/2e5c879754b8314bc3dce75073bb9991526d59c5/prometheus-metrics-config-1.5.0.jar:/home/runner/.gradle/caches/modules-2/files-2.1/io.prometheus/prometheus-metrics-tracer-common/1.5.0/86a99cc996a644ba500eb6d2fa4d27e8c8efc537/prometheus-metrics-tracer-common-1.5.0.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.codehaus.plexus/plexus-interpolation/1.29/5dd1b1fbaca263ad5baa169fbd8e804c789c9db5/plexus-interpolation-1.29.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.apache.maven/maven-builder-support/3.9.13/fda379b97d5acd4caa4ae2707032f74959993fc6/maven-builder-support-3.9.13.jar:/home/runner/.gradle/caches/modules-2/files-2.1/org.eclipse.sisu/org.eclipse.sisu.inject/1.0.0/d9c2d6ff4b461ab9492edb1cd9d8239cfb41f4ca/org.eclipse.sisu.inject-1.0.0.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/9.9.1/2ceea6ab43bcae1979b2a6d85fc0ca429877e5ab/asm-9.9.1.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.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/25.0.2-12/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"}]}