diff --git a/package-lock.json b/package-lock.json
index b667c23..1e9e0ec 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -22,9 +22,11 @@
         "express": "^4.21.0",
         "jest": "^29.7.0",
         "lerna": "^8.1.8",
+        "nodemon": "^3.1.7",
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         "prettier": "^3.3.3",
         "rxjs": "^7.8.1",
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         "typescript": "^5.6.2"
       }
     },
@@ -673,6 +675,28 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/@cspotcode/source-map-support": {
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+      "resolved": "https://registry.npmjs.org/@cspotcode/source-map-support/-/source-map-support-0.8.1.tgz",
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+      "dev": true,
+      "dependencies": {
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+      },
+      "engines": {
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+    },
+    "node_modules/@cspotcode/source-map-support/node_modules/@jridgewell/trace-mapping": {
+      "version": "0.3.9",
+      "resolved": "https://registry.npmjs.org/@jridgewell/trace-mapping/-/trace-mapping-0.3.9.tgz",
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+      "dev": true,
+      "dependencies": {
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+        "@jridgewell/sourcemap-codec": "^1.4.10"
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@@ -2405,6 +2429,30 @@
         "@sinonjs/commons": "^3.0.0"
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+      "resolved": "https://registry.npmjs.org/@tsconfig/node10/-/node10-1.0.11.tgz",
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+      "dev": true
+    },
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+      "resolved": "https://registry.npmjs.org/@tsconfig/node12/-/node12-1.0.11.tgz",
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+      "dev": true
+    },
+    "node_modules/@tsconfig/node14": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/@tsconfig/node14/-/node14-1.0.3.tgz",
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+      "dev": true
+    },
+    "node_modules/@tsconfig/node16": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/@tsconfig/node16/-/node16-1.0.4.tgz",
+      "integrity": "sha512-vxhUy4J8lyeyinH7Azl1pdd43GJhZH/tP2weN8TntQblOY+A0XbT8DJk1/oCPuOOyg/Ja757rG0CgHcWC8OfMA==",
+      "dev": true
+    },
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@@ -3049,6 +3097,18 @@
         "acorn": "^6.0.0 || ^7.0.0 || ^8.0.0"
       }
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+      "version": "8.3.4",
+      "resolved": "https://registry.npmjs.org/acorn-walk/-/acorn-walk-8.3.4.tgz",
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@@ -3173,6 +3233,12 @@
       "dev": true,
       "license": "ISC"
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+      "resolved": "https://registry.npmjs.org/arg/-/arg-4.1.3.tgz",
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+      "dev": true
+    },
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@@ -3563,6 +3629,18 @@
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       }
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+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-2.3.0.tgz",
+      "integrity": "sha512-Ceh+7ox5qe7LJuLHoY0feh3pHuUDHAcRUeyL2VYghZwfpkNIy/+8Ocg0a3UuSoYzavmylwuLWQOf3hl0jjMMIw==",
+      "dev": true,
+      "engines": {
+        "node": ">=8"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
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       "resolved": "https://registry.npmjs.org/bl/-/bl-4.1.0.tgz",
@@ -3873,6 +3951,42 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/chokidar": {
+      "version": "3.6.0",
+      "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-3.6.0.tgz",
+      "integrity": "sha512-7VT13fmjotKpGipCW9JEQAusEPE+Ei8nl6/g4FBAmIm0GOOLMua9NDDo/DWp0ZAxCr3cPq5ZpBqmPAQgDda2Pw==",
+      "dev": true,
+      "dependencies": {
+        "anymatch": "~3.1.2",
+        "braces": "~3.0.2",
+        "glob-parent": "~5.1.2",
+        "is-binary-path": "~2.1.0",
+        "is-glob": "~4.0.1",
+        "normalize-path": "~3.0.0",
+        "readdirp": "~3.6.0"
+      },
+      "engines": {
+        "node": ">= 8.10.0"
+      },
+      "funding": {
+        "url": "https://paulmillr.com/funding/"
+      },
+      "optionalDependencies": {
+        "fsevents": "~2.3.2"
+      }
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+    "node_modules/chokidar/node_modules/glob-parent": {
+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-5.1.2.tgz",
+      "integrity": "sha512-AOIgSQCepiJYwP3ARnGx+5VnTu2HBYdzbGP45eLw1vr3zB3vZLeyed1sC9hnbcOc9/SrMyM5RPQrkGz4aS9Zow==",
+      "dev": true,
+      "dependencies": {
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+      },
+      "engines": {
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@@ -4424,6 +4538,12 @@
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+    "node_modules/create-require": {
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+      "resolved": "https://registry.npmjs.org/create-require/-/create-require-1.1.1.tgz",
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@@ -4753,6 +4873,15 @@
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+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/diff/-/diff-4.0.2.tgz",
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+      "dev": true,
+      "engines": {
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       "resolved": "https://registry.npmjs.org/diff-sequences/-/diff-sequences-29.6.3.tgz",
@@ -7017,6 +7146,12 @@
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+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/ignore-by-default/-/ignore-by-default-1.0.1.tgz",
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+      "dev": true
+    },
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@@ -7288,6 +7423,18 @@
         "url": "https://github.com/sponsors/ljharb"
       }
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+    "node_modules/is-binary-path": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/is-binary-path/-/is-binary-path-2.1.0.tgz",
+      "integrity": "sha512-ZMERYes6pDydyuGidse7OsHxtbI7WVeUEozgR/g7rd0xUimYNlvZRE/K2MgZTjWy725IfelLeVcEM97mmtRGXw==",
+      "dev": true,
+      "dependencies": {
+        "binary-extensions": "^2.0.0"
+      },
+      "engines": {
+        "node": ">=8"
+      }
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     "node_modules/is-boolean-object": {
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       "resolved": "https://registry.npmjs.org/is-boolean-object/-/is-boolean-object-1.1.2.tgz",
@@ -9013,6 +9160,12 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/make-error": {
+      "version": "1.3.6",
+      "resolved": "https://registry.npmjs.org/make-error/-/make-error-1.3.6.tgz",
+      "integrity": "sha512-s8UhlNe7vPKomQhC1qFelMokr/Sc3AgNbso3n74mVPA5LTZwkB9NlXf4XPamLxJE8h0gh73rM94xvwRT2CVInw==",
+      "dev": true
+    },
     "node_modules/make-fetch-happen": {
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       "resolved": "https://registry.npmjs.org/make-fetch-happen/-/make-fetch-happen-13.0.1.tgz",
@@ -9694,6 +9847,67 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/nodemon": {
+      "version": "3.1.7",
+      "resolved": "https://registry.npmjs.org/nodemon/-/nodemon-3.1.7.tgz",
+      "integrity": "sha512-hLj7fuMow6f0lbB0cD14Lz2xNjwsyruH251Pk4t/yIitCFJbmY1myuLlHm/q06aST4jg6EgAh74PIBBrRqpVAQ==",
+      "dev": true,
+      "dependencies": {
+        "chokidar": "^3.5.2",
+        "debug": "^4",
+        "ignore-by-default": "^1.0.1",
+        "minimatch": "^3.1.2",
+        "pstree.remy": "^1.1.8",
+        "semver": "^7.5.3",
+        "simple-update-notifier": "^2.0.0",
+        "supports-color": "^5.5.0",
+        "touch": "^3.1.0",
+        "undefsafe": "^2.0.5"
+      },
+      "bin": {
+        "nodemon": "bin/nodemon.js"
+      },
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/nodemon"
+      }
+    },
+    "node_modules/nodemon/node_modules/has-flag": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
+      "integrity": "sha512-sKJf1+ceQBr4SMkvQnBDNDtf4TXpVhVGateu0t918bl30FnbE2m4vNLX+VWe/dpjlb+HugGYzW7uQXH98HPEYw==",
+      "dev": true,
+      "engines": {
+        "node": ">=4"
+      }
+    },
+    "node_modules/nodemon/node_modules/minimatch": {
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
+      "integrity": "sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==",
+      "dev": true,
+      "dependencies": {
+        "brace-expansion": "^1.1.7"
+      },
+      "engines": {
+        "node": "*"
+      }
+    },
+    "node_modules/nodemon/node_modules/supports-color": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
+      "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
+      "dev": true,
+      "dependencies": {
+        "has-flag": "^3.0.0"
+      },
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     "node_modules/nopt": {
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@@ -10789,6 +11003,12 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/pstree.remy": {
+      "version": "1.1.8",
+      "resolved": "https://registry.npmjs.org/pstree.remy/-/pstree.remy-1.1.8.tgz",
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+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.3.1.tgz",
@@ -11153,6 +11373,18 @@
         "node": ">= 6"
       }
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+    "node_modules/readdirp": {
+      "version": "3.6.0",
+      "resolved": "https://registry.npmjs.org/readdirp/-/readdirp-3.6.0.tgz",
+      "integrity": "sha512-hOS089on8RduqdbhvQ5Z37A0ESjsqz6qnRcffsMU3495FuTdqSm+7bhJ29JvIOsBDEEnan5DPu9t3To9VRlMzA==",
+      "dev": true,
+      "dependencies": {
+        "picomatch": "^2.2.1"
+      },
+      "engines": {
+        "node": ">=8.10.0"
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       "version": "3.0.0",
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@@ -11680,6 +11912,18 @@
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       }
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+    "node_modules/simple-update-notifier": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/simple-update-notifier/-/simple-update-notifier-2.0.0.tgz",
+      "integrity": "sha512-a2B9Y0KlNXl9u/vsW6sTIu9vGEpfKu2wRV6l1H3XEas/0gUIzGzBoP/IouTcUQbm9JWZLH3COxyn03TYlFax6w==",
+      "dev": true,
+      "dependencies": {
+        "semver": "^7.5.3"
+      },
+      "engines": {
+        "node": ">=10"
+      }
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     "node_modules/sisteransi": {
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       "resolved": "https://registry.npmjs.org/sisteransi/-/sisteransi-1.0.5.tgz",
@@ -12374,6 +12618,15 @@
         "node": ">=0.6"
       }
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+    "node_modules/touch": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/touch/-/touch-3.1.1.tgz",
+      "integrity": "sha512-r0eojU4bI8MnHr8c5bNo7lJDdI2qXlWWJk6a9EAFG7vbhTjElYhBVS3/miuE0uOuoLdb8Mc/rVfsmm6eo5o9GA==",
+      "dev": true,
+      "bin": {
+        "nodetouch": "bin/nodetouch.js"
+      }
+    },
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@@ -12414,6 +12667,49 @@
         "typescript": ">=4.2.0"
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+    "node_modules/ts-node": {
+      "version": "10.9.2",
+      "resolved": "https://registry.npmjs.org/ts-node/-/ts-node-10.9.2.tgz",
+      "integrity": "sha512-f0FFpIdcHgn8zcPSbf1dRevwt047YMnaiJM3u2w2RewrB+fob/zePZcrOyQoLMMO7aBIddLcQIEK5dYjkLnGrQ==",
+      "dev": true,
+      "dependencies": {
+        "@cspotcode/source-map-support": "^0.8.0",
+        "@tsconfig/node10": "^1.0.7",
+        "@tsconfig/node12": "^1.0.7",
+        "@tsconfig/node14": "^1.0.0",
+        "@tsconfig/node16": "^1.0.2",
+        "acorn": "^8.4.1",
+        "acorn-walk": "^8.1.1",
+        "arg": "^4.1.0",
+        "create-require": "^1.1.0",
+        "diff": "^4.0.1",
+        "make-error": "^1.1.1",
+        "v8-compile-cache-lib": "^3.0.1",
+        "yn": "3.1.1"
+      },
+      "bin": {
+        "ts-node": "dist/bin.js",
+        "ts-node-cwd": "dist/bin-cwd.js",
+        "ts-node-esm": "dist/bin-esm.js",
+        "ts-node-script": "dist/bin-script.js",
+        "ts-node-transpile-only": "dist/bin-transpile.js",
+        "ts-script": "dist/bin-script-deprecated.js"
+      },
+      "peerDependencies": {
+        "@swc/core": ">=1.2.50",
+        "@swc/wasm": ">=1.2.50",
+        "@types/node": "*",
+        "typescript": ">=2.7"
+      },
+      "peerDependenciesMeta": {
+        "@swc/core": {
+          "optional": true
+        },
+        "@swc/wasm": {
+          "optional": true
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       "version": "4.2.0",
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@@ -12638,6 +12934,12 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/undefsafe": {
+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/undefsafe/-/undefsafe-2.0.5.tgz",
+      "integrity": "sha512-WxONCrssBM8TSPRqN5EmsjVrsv4A8X12J4ArBiiayv3DyyG3ZlIg6yysuuSYdZsVz3TKcTg2fd//Ujd4CHV1iA==",
+      "dev": true
+    },
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       "version": "6.19.8",
       "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.19.8.tgz",
@@ -12781,6 +13083,12 @@
         "uuid": "dist/bin/uuid"
       }
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+    "node_modules/v8-compile-cache-lib": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/v8-compile-cache-lib/-/v8-compile-cache-lib-3.0.1.tgz",
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+      "dev": true
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     "node_modules/v8-to-istanbul": {
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@@ -13165,6 +13473,15 @@
         "node": ">=12"
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+      "resolved": "https://registry.npmjs.org/yn/-/yn-3.1.1.tgz",
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+      "dev": true,
+      "engines": {
+        "node": ">=6"
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       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz",
diff --git a/package.json b/package.json
index a1f2bbf..f6fbbdb 100644
--- a/package.json
+++ b/package.json
@@ -23,9 +23,11 @@
     "express": "^4.21.0",
     "jest": "^29.7.0",
     "lerna": "^8.1.8",
+    "nodemon": "^3.1.7",
     "nx": "19.7.3",
     "prettier": "^3.3.3",
     "rxjs": "^7.8.1",
+    "ts-node": "^10.9.2",
     "typescript": "^5.6.2"
   }
-}
\ No newline at end of file
+}
diff --git a/packages/core/__tests__/core.test.js b/packages/core/__tests__/core.test.js
index 3ac5a32..a846f1f 100644
--- a/packages/core/__tests__/core.test.js
+++ b/packages/core/__tests__/core.test.js
@@ -31,7 +31,7 @@ describe('Probe', () => {
       });
 
       let expectedStatus = 'unknown';
-      const subscription = probe.getObservable().subscribe({
+      const subscription = probe.createObservable().subscribe({
         next: value => {
           const unsubscribe = () => {
             setTimeout(() => {
diff --git a/packages/core/package.json b/packages/core/package.json
index d4e04f7..b167f6e 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -30,6 +30,7 @@
     "url": "git+https://github.com/a179346/rxjs-probe.git"
   },
   "scripts": {
+    "dev": "nodemon ./src/index.ts",
     "lint": "eslint ./src",
     "build": "tsc && prettier --ignore-path .prettierignore --write ./dist/**/*.ts",
     "test": "jest"
@@ -40,4 +41,4 @@
   "peerDependencies": {
     "rxjs": "*"
   }
-}
+}
\ No newline at end of file
diff --git a/packages/core/src/index.ts b/packages/core/src/index.ts
index 97c9843..9fb93b9 100644
--- a/packages/core/src/index.ts
+++ b/packages/core/src/index.ts
@@ -27,7 +27,7 @@ export class ProbePerformer {
     this._runHealthCheck = runHealthCheck;
   }
 
-  getObservable(timeoutSeconds: number) {
+  createObservable(timeoutSeconds: number) {
     return new Observable<boolean>(subscriber => {
       Promise.resolve()
         .then(() => {
@@ -80,7 +80,12 @@ export class Probe {
     this._failureThreshold = config.failureThreshold ?? 3;
   }
 
-  getObservable() {
+  /**
+   * Create a `cold` observable that emits the status of the probe.
+   *
+   * Check the [RxJS Glossary](https://rxjs.dev/guide/glossary-and-semantics#cold) for more information on cold observables.
+   */
+  createObservable() {
     return new Observable<ProbeStatus>(subscriber => {
       subscriber.next('unknown');
 
@@ -113,7 +118,7 @@ export class Probe {
             forkJoin([
               timer(this._periodSeconds * 1000),
               race([
-                this._performer.getObservable(this._timeoutSeconds),
+                this._performer.createObservable(this._timeoutSeconds),
                 timer(this._timeoutSeconds * 1000 + 50),
               ]).pipe(tap(onHealthCheckResult)),
             ]).pipe(repeat())
diff --git a/packages/http-probe-performer/__tests__/http-probe-performer.test.js b/packages/http-probe-performer/__tests__/http-probe-performer.test.js
index edff4ea..29d1109 100644
--- a/packages/http-probe-performer/__tests__/http-probe-performer.test.js
+++ b/packages/http-probe-performer/__tests__/http-probe-performer.test.js
@@ -25,7 +25,7 @@ describe('HTTP Probe Performer', () => {
         port: 3000,
       });
 
-      const observable = performer.getObservable(2);
+      const observable = performer.createObservable(2);
       const healthy = await firstValueFrom(observable);
       expect(healthy).toEqual(true);
     }, 2000);
@@ -36,7 +36,7 @@ describe('HTTP Probe Performer', () => {
         port: 3000,
       });
 
-      const observable = performer.getObservable(0.5);
+      const observable = performer.createObservable(0.5);
       const healthy = await firstValueFrom(observable);
       expect(healthy).toEqual(false);
     }, 2000);