diff --git a/testasset/Dockerfile b/testasset/Dockerfile
index 8da63a8..5b55cc8 100644
--- a/testasset/Dockerfile
+++ b/testasset/Dockerfile
@@ -1,9 +1,10 @@
-FROM python:3-alpine
+FROM node:alpine
 WORKDIR /usr/src/app
 ENV AM_I_IN_A_DOCKER_CONTAINER Yes
 
-RUN pip install --no-cache-dir paho-mqtt
+COPY package*.json ./
+RUN npm install
 
-COPY testasset.py .
+COPY testasset.js .
 
-CMD [ "python", "./testasset.py" ]
\ No newline at end of file
+CMD [ "node", "." ]
\ No newline at end of file
diff --git a/testasset/docker-compose.yml b/testasset/docker-compose.yml
index e492e12..81fdd1a 100644
--- a/testasset/docker-compose.yml
+++ b/testasset/docker-compose.yml
@@ -1,12 +1,14 @@
 version: "3.7"
 services:
   mqttbroker:
-    image: eclipse-mosquitto
-    container_name: mosquitto
+    image: emqx/emqx:5.3.2
+    container_name: mqttbroker
     ports:
-      - "1883:1883"
-    volumes:
-      - ./mosquitto.conf:/mosquitto/config/mosquitto.conf
+      - 1883:1883
+      - 8083:8083
+      - 8084:8084
+      - 8883:8883
+      - 18083:18083
   
   testasset:
     build:
diff --git a/testasset/package-lock.json b/testasset/package-lock.json
new file mode 100644
index 0000000..225eacf
--- /dev/null
+++ b/testasset/package-lock.json
@@ -0,0 +1,559 @@
+{
+  "name": "testasset",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "testasset",
+      "version": "1.0.0",
+      "license": "ISC",
+      "dependencies": {
+        "mqtt": "^5.3.3",
+        "uuid": "^9.0.1"
+      }
+    },
+    "node_modules/@babel/runtime": {
+      "version": "7.23.5",
+      "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.23.5.tgz",
+      "integrity": "sha512-NdUTHcPe4C99WxPub+K9l9tK5/lV4UXIoaHSYgzco9BCyjKAAwzdBI+wWtYqHt7LJdbo74ZjRPJgzVweq1sz0w==",
+      "dependencies": {
+        "regenerator-runtime": "^0.14.0"
+      },
+      "engines": {
+        "node": ">=6.9.0"
+      }
+    },
+    "node_modules/@types/node": {
+      "version": "20.10.4",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.10.4.tgz",
+      "integrity": "sha512-D08YG6rr8X90YB56tSIuBaddy/UXAA9RKJoFvrsnogAum/0pmjkgi4+2nx96A330FmioegBWmEYQ+syqCFaveg==",
+      "dependencies": {
+        "undici-types": "~5.26.4"
+      }
+    },
+    "node_modules/@types/readable-stream": {
+      "version": "4.0.10",
+      "resolved": "https://registry.npmjs.org/@types/readable-stream/-/readable-stream-4.0.10.tgz",
+      "integrity": "sha512-AbUKBjcC8SHmImNi4yK2bbjogQlkFSg7shZCcicxPQapniOlajG8GCc39lvXzCWX4lLRRs7DM3VAeSlqmEVZUA==",
+      "dependencies": {
+        "@types/node": "*",
+        "safe-buffer": "~5.1.1"
+      }
+    },
+    "node_modules/@types/ws": {
+      "version": "8.5.10",
+      "resolved": "https://registry.npmjs.org/@types/ws/-/ws-8.5.10.tgz",
+      "integrity": "sha512-vmQSUcfalpIq0R9q7uTo2lXs6eGIpt9wtnLdMv9LVpIjCA/+ufZRozlVoVelIYixx1ugCBKDhn89vnsEGOCx9A==",
+      "dependencies": {
+        "@types/node": "*"
+      }
+    },
+    "node_modules/abort-controller": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/abort-controller/-/abort-controller-3.0.0.tgz",
+      "integrity": "sha512-h8lQ8tacZYnR3vNQTgibj+tODHI5/+l06Au2Pcriv/Gmet0eaj4TwWH41sO9wnHDiQsEj19q0drzdWdeAHtweg==",
+      "dependencies": {
+        "event-target-shim": "^5.0.0"
+      },
+      "engines": {
+        "node": ">=6.5"
+      }
+    },
+    "node_modules/balanced-match": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
+      "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw=="
+    },
+    "node_modules/base64-js": {
+      "version": "1.5.1",
+      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz",
+      "integrity": "sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ]
+    },
+    "node_modules/bl": {
+      "version": "6.0.9",
+      "resolved": "https://registry.npmjs.org/bl/-/bl-6.0.9.tgz",
+      "integrity": "sha512-Vh+M9HMfeTST9rkkQ1utRnOeABNcBO3i0dJMFkenCv7JIp76XWx8uQOGpaXyXVyenrLDZsdAHXbf0Cz18Eb0fw==",
+      "dependencies": {
+        "buffer": "^6.0.3",
+        "inherits": "^2.0.4",
+        "readable-stream": "^4.2.0"
+      }
+    },
+    "node_modules/brace-expansion": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.1.tgz",
+      "integrity": "sha512-XnAIvQ8eM+kC6aULx6wuQiwVsnzsi9d3WxzV3FpWTGA19F621kwdbsAcFKXgKUHZWsy+mY6iL1sHTxWEFCytDA==",
+      "dependencies": {
+        "balanced-match": "^1.0.0"
+      }
+    },
+    "node_modules/buffer": {
+      "version": "6.0.3",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-6.0.3.tgz",
+      "integrity": "sha512-FTiCpNxtwiZZHEZbcbTIcZjERVICn9yq/pDFkTl95/AxzD1naBctN7YO68riM/gLSDY7sdrMby8hofADYuuqOA==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ],
+      "dependencies": {
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+        "ieee754": "^1.2.1"
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+    },
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+      "resolved": "https://registry.npmjs.org/commist/-/commist-3.2.0.tgz",
+      "integrity": "sha512-4PIMoPniho+LqXmpS5d3NuGYncG6XWlkBSVGiWycL22dd42OYdUGil2CWuzklaJoNxyxUSpO4MKIBU94viWNAw=="
+    },
+    "node_modules/concat-stream": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/concat-stream/-/concat-stream-2.0.0.tgz",
+      "integrity": "sha512-MWufYdFw53ccGjCA+Ol7XJYpAlW6/prSMzuPOTRnJGcGzuhLn4Scrz7qf6o8bROZ514ltazcIFJZevcfbo0x7A==",
+      "engines": [
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+      ],
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+        "inherits": "^2.0.3",
+        "readable-stream": "^3.0.2",
+        "typedarray": "^0.0.6"
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+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.2.tgz",
+      "integrity": "sha512-9u/sniCrY3D5WdsERHzHE4G2YCXqoG5FTHUiCC4SIbr6XcLZBY05ya9EKjYek9O5xOAwjGq+1JdGBAS7Q9ScoA==",
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+        "string_decoder": "^1.1.1",
+        "util-deprecate": "^1.0.1"
+      },
+      "engines": {
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+      "dependencies": {
+        "ms": "2.1.2"
+      },
+      "engines": {
+        "node": ">=6.0"
+      },
+      "peerDependenciesMeta": {
+        "supports-color": {
+          "optional": true
+        }
+      }
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+      "resolved": "https://registry.npmjs.org/event-target-shim/-/event-target-shim-5.0.1.tgz",
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+      "resolved": "https://registry.npmjs.org/events/-/events-3.3.0.tgz",
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+      "resolved": "https://registry.npmjs.org/fast-unique-numbers/-/fast-unique-numbers-8.0.12.tgz",
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+      "dependencies": {
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+        "tslib": "^2.6.2"
+      },
+      "engines": {
+        "node": ">=16.1.0"
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+      "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
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+    },
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+      "resolved": "https://registry.npmjs.org/glob/-/glob-8.1.0.tgz",
+      "integrity": "sha512-r8hpEjiQEYlF2QU0df3dS+nxxSIreXQS1qRhMJM0Q5NDdR386C7jb7Hwwod8Fgiuex+k0GFjgft18yvxm5XoCQ==",
+      "dependencies": {
+        "fs.realpath": "^1.0.0",
+        "inflight": "^1.0.4",
+        "inherits": "2",
+        "minimatch": "^5.0.1",
+        "once": "^1.3.0"
+      },
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/isaacs"
+      }
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+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/help-me/-/help-me-4.2.0.tgz",
+      "integrity": "sha512-TAOnTB8Tz5Dw8penUuzHVrKNKlCIbwwbHnXraNJxPwf8LRtE2HlM84RYuezMFcwOJmoYOCWVDyJ8TQGxn9PgxA==",
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+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.2.tgz",
+      "integrity": "sha512-9u/sniCrY3D5WdsERHzHE4G2YCXqoG5FTHUiCC4SIbr6XcLZBY05ya9EKjYek9O5xOAwjGq+1JdGBAS7Q9ScoA==",
+      "dependencies": {
+        "inherits": "^2.0.3",
+        "string_decoder": "^1.1.1",
+        "util-deprecate": "^1.0.1"
+      },
+      "engines": {
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+    },
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+      "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.2.1.tgz",
+      "integrity": "sha512-dcyqhDvX1C46lXZcVqCpK+FtMRQVdIMN6/Df5js2zouUsqG7I6sFxitIC+7KYK29KdXOLHdu9zL4sFnoVQnqaA==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ]
+    },
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+      "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
+      "integrity": "sha512-k92I/b08q4wvFscXCLvqfsHCrjrF7yiXsQuIVvVE7N82W3+aqpzuUdBbfhWcy/FZR3/4IgflMgKLOsvPDrGCJA==",
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+        "once": "^1.3.0",
+        "wrappy": "1"
+      }
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+      "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
+    },
+    "node_modules/js-sdsl": {
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/js-sdsl/-/js-sdsl-4.3.0.tgz",
+      "integrity": "sha512-mifzlm2+5nZ+lEcLJMoBK0/IH/bDg8XnJfd/Wq6IP+xoCjLZsTOnV2QpxlVbX9bMnkl5PdEjNtBJ9Cj1NjifhQ==",
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/js-sdsl"
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+      "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-10.1.0.tgz",
+      "integrity": "sha512-/1clY/ui8CzjKFyjdvwPWJUYKiFVXG2I2cY0ssG7h4+hwk+XOIX7ZSG9Q7TW8TW3Kp3BUSqgFWBLgL4PJ+Blag==",
+      "engines": {
+        "node": "14 || >=16.14"
+      }
+    },
+    "node_modules/minimatch": {
+      "version": "5.1.6",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-5.1.6.tgz",
+      "integrity": "sha512-lKwV/1brpG6mBUFHtb7NUmtABCb2WZZmm2wNiOA5hAb8VdCS4B3dtMWyvcoViccwAW/COERjXLt0zP1zXUN26g==",
+      "dependencies": {
+        "brace-expansion": "^2.0.1"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
+    "node_modules/minimist": {
+      "version": "1.2.8",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.8.tgz",
+      "integrity": "sha512-2yyAR8qBkN3YuheJanUpWC5U3bb5osDywNB8RzDVlDwDHbocAJveqqj1u8+SVD7jkWT4yvsHCpWqqWqAxb0zCA==",
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/mqtt": {
+      "version": "5.3.3",
+      "resolved": "https://registry.npmjs.org/mqtt/-/mqtt-5.3.3.tgz",
+      "integrity": "sha512-iy/9I81xnmYxENKL91hdiJ1LOkNYygCE0xCUtLeEo3BjQHraOky5gB/X3aPnvZ2fqlm1C0BhLmVcL6NRJ/U4tA==",
+      "dependencies": {
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+        "@types/ws": "^8.5.9",
+        "commist": "^3.2.0",
+        "concat-stream": "^2.0.0",
+        "debug": "^4.3.4",
+        "help-me": "^4.2.0",
+        "lru-cache": "^10.0.1",
+        "minimist": "^1.2.8",
+        "mqtt": "^5.2.0",
+        "mqtt-packet": "^9.0.0",
+        "number-allocator": "^1.0.14",
+        "readable-stream": "^4.4.2",
+        "reinterval": "^1.1.0",
+        "rfdc": "^1.3.0",
+        "split2": "^4.2.0",
+        "worker-timers": "^7.0.78",
+        "ws": "^8.14.2"
+      },
+      "bin": {
+        "mqtt": "build/bin/mqtt.js",
+        "mqtt_pub": "build/bin/pub.js",
+        "mqtt_sub": "build/bin/sub.js"
+      },
+      "engines": {
+        "node": ">=16.0.0"
+      }
+    },
+    "node_modules/mqtt-packet": {
+      "version": "9.0.0",
+      "resolved": "https://registry.npmjs.org/mqtt-packet/-/mqtt-packet-9.0.0.tgz",
+      "integrity": "sha512-8v+HkX+fwbodsWAZIZTI074XIoxVBOmPeggQuDFCGg1SqNcC+uoRMWu7J6QlJPqIUIJXmjNYYHxBBLr1Y/Df4w==",
+      "dependencies": {
+        "bl": "^6.0.8",
+        "debug": "^4.3.4",
+        "process-nextick-args": "^2.0.1"
+      }
+    },
+    "node_modules/ms": {
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+      }
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+        "events": "^3.3.0",
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+        "string_decoder": "^1.3.0"
+      },
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+        "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
+      }
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+      "version": "0.14.0",
+      "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.14.0.tgz",
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+      "resolved": "https://registry.npmjs.org/rfdc/-/rfdc-1.3.0.tgz",
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+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz",
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+        "safe-buffer": "~5.2.0"
+      }
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+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ]
+    },
+    "node_modules/tslib": {
+      "version": "2.6.2",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.6.2.tgz",
+      "integrity": "sha512-AEYxH93jGFPn/a2iVAwW87VuUIkR1FVUKB77NwMF7nBTDkDrrT/Hpt/IrCJ0QXhW27jTBDcf5ZY7w6RiqTMw2Q=="
+    },
+    "node_modules/typedarray": {
+      "version": "0.0.6",
+      "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
+      "integrity": "sha512-/aCDEGatGvZ2BIk+HmLf4ifCJFwvKFNb9/JeZPMulfgFracn9QFcAf5GO8B/mweUjSoblS5In0cWhqpfs/5PQA=="
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+    "node_modules/undici-types": {
+      "version": "5.26.5",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
+      "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA=="
+    },
+    "node_modules/util-deprecate": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
+      "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw=="
+    },
+    "node_modules/uuid": {
+      "version": "9.0.1",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-9.0.1.tgz",
+      "integrity": "sha512-b+1eJOlsR9K8HJpow9Ok3fiWOWSIcIzXodvv0rQjVoOVNpWMpxf1wZNpt4y9h10odCNrqnYp1OBzRktckBe3sA==",
+      "funding": [
+        "https://github.com/sponsors/broofa",
+        "https://github.com/sponsors/ctavan"
+      ],
+      "bin": {
+        "uuid": "dist/bin/uuid"
+      }
+    },
+    "node_modules/worker-timers": {
+      "version": "7.0.79",
+      "resolved": "https://registry.npmjs.org/worker-timers/-/worker-timers-7.0.79.tgz",
+      "integrity": "sha512-4eEmZwefCW37rLfbqNwm9uXuklEchyPrvhPNWv4jI3zcAyLG83+GB36JD4F26gZKxhcA+Giwivx6JMPp9zX6DA==",
+      "dependencies": {
+        "@babel/runtime": "^7.23.5",
+        "tslib": "^2.6.2",
+        "worker-timers-broker": "^6.0.99",
+        "worker-timers-worker": "^7.0.63"
+      }
+    },
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+      "version": "6.0.99",
+      "resolved": "https://registry.npmjs.org/worker-timers-broker/-/worker-timers-broker-6.0.99.tgz",
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+      "dependencies": {
+        "@babel/runtime": "^7.23.5",
+        "fast-unique-numbers": "^8.0.12",
+        "tslib": "^2.6.2",
+        "worker-timers-worker": "^7.0.63"
+      }
+    },
+    "node_modules/worker-timers-worker": {
+      "version": "7.0.63",
+      "resolved": "https://registry.npmjs.org/worker-timers-worker/-/worker-timers-worker-7.0.63.tgz",
+      "integrity": "sha512-6CdgnG4ldY2Oowp+kJFydslyUzDXzG6PeWMTFeAhSWIofw/8FnvxHV4W6CDtKLMZXWByMTA+mqwVYasWuefTOw==",
+      "dependencies": {
+        "@babel/runtime": "^7.23.5",
+        "tslib": "^2.6.2"
+      }
+    },
+    "node_modules/wrappy": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ=="
+    },
+    "node_modules/ws": {
+      "version": "8.14.2",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.14.2.tgz",
+      "integrity": "sha512-wEBG1ftX4jcglPxgFCMJmZ2PLtSbJ2Peg6TmpJFTbe9GZYOQCDPdMYu/Tm0/bGZkw8paZnJY45J4K2PZrLYq8g==",
+      "engines": {
+        "node": ">=10.0.0"
+      },
+      "peerDependencies": {
+        "bufferutil": "^4.0.1",
+        "utf-8-validate": ">=5.0.2"
+      },
+      "peerDependenciesMeta": {
+        "bufferutil": {
+          "optional": true
+        },
+        "utf-8-validate": {
+          "optional": true
+        }
+      }
+    }
+  }
+}
diff --git a/testasset/package.json b/testasset/package.json
new file mode 100644
index 0000000..0aa2e1f
--- /dev/null
+++ b/testasset/package.json
@@ -0,0 +1,17 @@
+{
+  "name": "testasset",
+  "version": "1.0.0",
+  "description": "",
+  "main": "testasset.js",
+  "type": "module",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "mqtt": "^5.3.3",
+    "uuid": "^9.0.1"
+  }
+}
diff --git a/testasset/testasset.js b/testasset/testasset.js
new file mode 100644
index 0000000..ff2ca44
--- /dev/null
+++ b/testasset/testasset.js
@@ -0,0 +1,66 @@
+import { connect } from "mqtt";
+import { v4 } from "uuid";
+
+// Is docker?
+const isDocker = process.env.AM_I_IN_A_DOCKER_CONTAINER ?? false;
+const broker = isDocker ? "mqtt://mqttbroker:1883" : "mqtt://localhost:1883";
+
+
+// Create an mqtt client for broker localhost:1883 with a random client id
+const client = connect(broker, {
+    clientId: v4(),
+});
+
+// Asset stuff
+let testparam1 = 5;
+let testparam2 = true;
+const testoperation1 = () => {
+    console.log("This is a result of testoperation 1");
+    testparam1++;
+}
+const testoperation2 = (input) => {
+    console.log(`This is a result of testoperation 2 with input ${input}`);
+    testparam1--;
+}
+const testoperation3 = (input) => {
+    client.publish("testasset/testoperation3/result", JSON.stringify({message: "Wuh", input, error: false}));
+}
+
+// Asset listeners
+
+client.on("message", (topic, message) => {
+    switch (topic) {
+        case "testasset/testparam2":
+            testparam2 = new Boolean(message.toString());
+            break;
+        case "testasset/testoperation1":
+            testoperation1();
+            break;
+        case "testasset/testoperation2":
+            testoperation2(JSON.parse(message.toString()).TestInput);
+            break;
+        case "testasset/testoperation3":
+            testoperation3(message.toString());
+            break;
+    }
+});
+client.on("connect", () => {
+    console.log("Connected to broker");
+});
+client.on("error", (error) => {
+    console.error(error);
+});
+client.on("close", () => {
+    console.log("Connection to broker closed");
+});
+
+// Start
+const start = () => {
+    client.connect();
+    client.subscribe("testasset/#");
+
+    setInterval(() => { client.publish("testasset/testevent", "Timer ran down") }, 10000);
+    client.publish("testasset/hello", "Hello World");
+}
+if (isDocker) setTimeout(start.bind(this), 3000);
+else start();
\ No newline at end of file
diff --git a/testasset/testasset.py b/testasset/testasset.py
deleted file mode 100644
index 40dc940..0000000
--- a/testasset/testasset.py
+++ /dev/null
@@ -1,21 +0,0 @@
-from paho.mqtt import client as mqtt_client
-import time
-from datetime import datetime
-from os import environ
-
-is_docker = environ.get('AM_I_IN_A_DOCKER_CONTAINER', False)
-broker = "mqttbroker" if is_docker else "localhost"
-
-client = mqtt_client.Client("testasset")
-
-# Wait for broker
-if is_docker: time.sleep(3)
-
-client.connect(broker, 1883, 60)
-
-# Send the current datetime stamp to the topic "testopic/testparam1" and "testopic/testparam2" every 1 second
-while True:
-    now = datetime.now()
-    client.publish("testtopic/testparam1", str(now))
-    client.publish("testtopic/testparam2", str(now))
-    time.sleep(1)
\ No newline at end of file