diff --git a/.github/workflows/linter.yml b/.github/workflows/linter.yml
index 363bb15..f97637f 100644
--- a/.github/workflows/linter.yml
+++ b/.github/workflows/linter.yml
@@ -44,4 +44,5 @@ jobs:
           JAVASCRIPT_DEFAULT_STYLE: prettier
           VALIDATE_ALL_CODEBASE: true
           VALIDATE_JSCPD: false
+          VALIDATE_JAVASCRIPT_STANDARD: false
           VALIDATE_MARKDOWN: false
diff --git a/.github/workflows/registered_runner.yml b/.github/workflows/registered_runner.yml
index 5d1bb10..47b00a7 100644
--- a/.github/workflows/registered_runner.yml
+++ b/.github/workflows/registered_runner.yml
@@ -8,11 +8,14 @@ on:
         required: true
         type: string
 
+permissions:
+  contents: read
+
 jobs:
   test-runner:
     name: Test Runner
     runs-on: ${{ inputs.runner-name }}
-    timeout-minutes: 5  # Job should be picked very quickly
+    timeout-minutes: 5 # Job should be picked very quickly
     steps:
       - name: Runner registered
         run: |
diff --git a/.github/workflows/removed_runner.yml b/.github/workflows/removed_runner.yml
index 07d9de5..37918c5 100644
--- a/.github/workflows/removed_runner.yml
+++ b/.github/workflows/removed_runner.yml
@@ -14,6 +14,9 @@ on:
       READ_REPO_TOKEN:
         required: true
 
+permissions:
+  contents: read
+
 jobs:
   test-removed-runner:
     name: Test Removed Runner
diff --git a/.github/workflows/test_spawn_terminate.yml b/.github/workflows/test_spawn_terminate.yml
index 0a4c7bc..caae9a1 100644
--- a/.github/workflows/test_spawn_terminate.yml
+++ b/.github/workflows/test_spawn_terminate.yml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        provider: [ aws, hyperstack ]
+        provider: [aws, hyperstack]
       fail-fast: false
     outputs:
       runner-aws: ${{ steps.gen-output.outputs.runner_aws }}
@@ -45,14 +45,14 @@ jobs:
 
   test-runner-alive-aws:
     name: Test runner is alive (AWS)
-    needs: [ action-start ]
+    needs: [action-start]
     uses: ./.github/workflows/registered_runner.yml
     with:
       runner-name: ${{ needs.action-start.outputs.runner-aws }}
 
   test-runner-alive-hyperstack:
     name: Test runner is alive (Hyperstack)
-    needs: [ action-start ]
+    needs: [action-start]
     uses: ./.github/workflows/registered_runner.yml
     with:
       runner-name: ${{ needs.action-start.outputs.runner-hyperstack }}
@@ -60,12 +60,15 @@ jobs:
   action-stop:
     name: GitHub Actions Test (terminate)
     runs-on: ubuntu-latest
-    needs: [ action-start, test-runner-alive-aws, test-runner-alive-hyperstack ]
+    needs: [action-start, test-runner-alive-aws, test-runner-alive-hyperstack]
     if: ${{ always() && needs.action-start.result != 'skipped' }}
     strategy:
       matrix:
-        runner: [ "${{ needs.action-start.outputs.runner-aws }}",
-                  "${{ needs.action-start.outputs.runner-hyperstack }}" ]
+        runner:
+          [
+            '${{ needs.action-start.outputs.runner-aws }}',
+            '${{ needs.action-start.outputs.runner-hyperstack }}'
+          ]
       fail-fast: false
     steps:
       - name: Checkout
@@ -84,7 +87,7 @@ jobs:
 
   test-runner-removed-aws:
     name: Test runner is removed (AWS)
-    needs: [ action-start, action-stop ]
+    needs: [action-start, action-stop]
     uses: ./.github/workflows/removed_runner.yml
     with:
       runner-name: ${{ needs.action-start.outputs.runner-aws }}
@@ -94,7 +97,7 @@ jobs:
 
   test-runner-removed-hyperstack:
     name: Test runner is removed (Hyperstack)
-    needs: [ action-start, action-stop ]
+    needs: [action-start, action-stop]
     uses: ./.github/workflows/removed_runner.yml
     with:
       runner-name: ${{ needs.action-start.outputs.runner-hyperstack }}
diff --git a/.github/workflows/test_start_stop.yml b/.github/workflows/test_start_stop.yml
index 91acf6a..f10168b 100644
--- a/.github/workflows/test_start_stop.yml
+++ b/.github/workflows/test_start_stop.yml
@@ -24,7 +24,7 @@ jobs:
   action-start:
     name: GitHub Actions Test (start)
     runs-on: ubuntu-latest
-    needs: [ test-runner-exist ]
+    needs: [test-runner-exist]
     steps:
       - name: Checkout
         id: checkout
@@ -43,7 +43,7 @@ jobs:
 
   test-runner-alive:
     name: Test runner is alive
-    needs: [ action-start ]
+    needs: [action-start]
     uses: ./.github/workflows/registered_runner.yml
     with:
       runner-name: ci-persistent-runner
@@ -51,7 +51,7 @@ jobs:
   action-stop:
     name: GitHub Actions Test (stop)
     runs-on: ubuntu-latest
-    needs: [ action-start, test-runner-alive ]
+    needs: [action-start, test-runner-alive]
     if: ${{ always() && needs.action-start.result != 'skipped' }}
     steps:
       - name: Checkout
@@ -70,7 +70,7 @@ jobs:
 
   test-runner-persist:
     name: Test runner is still registered
-    needs: [ action-stop ]
+    needs: [action-stop]
     uses: ./.github/workflows/removed_runner.yml
     with:
       runner-name: ci-persistent-runner
diff --git a/README.md b/README.md
index b60db35..113a939 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,8 @@
 # On-demand self-hosted runner for GitHub Actions
 
-Start your EC2 [self-hosted runner](https://docs.github.com/en/free-pro-team@latest/actions/hosting-your-own-runners)
-right before you need it.
-Run the job on it. Finally, stop it when you finish.
+Start your EC2
+[self-hosted runner](https://docs.github.com/en/free-pro-team@latest/actions/hosting-your-own-runners)
+right before you need it. Run the job on it. Finally, stop it when you finish.
 And all this automatically as a part of your GitHub Actions workflow.
 
 It relies on Slab CI bot to do all the heavy-lifting.
@@ -22,7 +22,7 @@ See [below](#example) the YAML code of the depicted workflow.
 ### Inputs
 
 | Name           | Required                    | Description                                                                                                                                                                                                     |
-|----------------|-----------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| -------------- | --------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
 | `mode`         | Always required.            | Specify here which mode you want to use: `start` to start a new runner, `stop` to stop the previously created runner.                                                                                           |
 | `github-token` | Always required.            | GitHub Personal Access Token with the `repo` scope assigned.                                                                                                                                                    |
 | `slab-url`     | Always required.            | URL to Slab CI server.                                                                                                                                                                                          |
@@ -33,13 +33,14 @@ See [below](#example) the YAML code of the depicted workflow.
 
 ### Outputs
 
-| Name          | Description                                                                                                                                                                                                           |
-|---------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
-| `label`       | Name of the unique label assigned to the runner. The label is used in two cases: to use as the input of `runs-on` property for the following jobs and to remove the runner from GitHub when it is not needed anymore. |
+| Name    | Description                                                                                                                                                                                                           |
+| ------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
+| `label` | Name of the unique label assigned to the runner. The label is used in two cases: to use as the input of `runs-on` property for the following jobs and to remove the runner from GitHub when it is not needed anymore. |
 
 ### Examples
 
-Here's an example workflow. It uses a backend profile declared in `ci/slab.toml` within the calling repository
+Here's an example workflow. It uses a backend profile declared in `ci/slab.toml`
+within the calling repository
 
 ```yml
 name: do-the-job
@@ -62,7 +63,7 @@ jobs:
           profile: cpu-test
 
   do-the-job:
-      # ... #
+    # ... #
 
   stop-runner:
     name: Stop self-hosted EC2 runner
diff --git a/action.yaml b/action.yaml
index 041f8d3..7b5e41f 100644
--- a/action.yaml
+++ b/action.yaml
@@ -1,5 +1,7 @@
 name: On-demand self-hosted runner for GitHub Actions
-description: GitHub Action for automatic AWS EC2 instance provisioning as a GitHub Actions self-hosted runner.
+description:
+  GitHub Action for automatic AWS EC2 instance provisioning as a GitHub Actions
+  self-hosted runner.
 author: zama-ai
 branding:
   icon: 'box'
@@ -25,27 +27,26 @@ inputs:
     required: true
   backend:
     description: >-
-      Backend provider name to look for in slab.toml file in repository that uses the action.
-      This input is required if you use the 'start' mode.
+      Backend provider name to look for in slab.toml file in repository that
+      uses the action. This input is required if you use the 'start' mode.
     required: false
   profile:
     description: >-
-      Profile to use as described slab.toml file in repository that uses the action.
-      This input is required if you use the 'start' mode.
+      Profile to use as described slab.toml file in repository that uses the
+      action. This input is required if you use the 'start' mode.
     required: false
   label:
     description: >-
-      Name of the unique label assigned to the runner.
-      The label is used to remove the runner from GitHub when the runner is not needed anymore.
-      This input is required if you use the 'stop' mode.
+      Name of the unique label assigned to the runner. The label is used to
+      remove the runner from GitHub when the runner is not needed anymore. This
+      input is required if you use the 'stop' mode.
     required: false
 
 outputs:
   label:
     description: >-
-      Name of the unique label assigned to the runner.
-      The label is used in two cases:
-      - to use as the input of 'runs-on' property for the following jobs;
+      Name of the unique label assigned to the runner. The label is used in two
+      cases: - to use as the input of 'runs-on' property for the following jobs;
       - to remove the runner from GitHub when it is not needed anymore.
 runs:
   using: node20
diff --git a/dist/index.js b/dist/index.js
index a8f12e7..23828ef 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -49806,31 +49806,31 @@ class Config {
     //
 
     if (!this.input.mode) {
-      throw new Error(`The 'mode' input is not specified`)
+      throw new Error("The 'mode' input is not specified")
     }
 
     if (!this.input.githubToken) {
-      throw new Error(`The 'github-token' input is not specified`)
+      throw new Error("The 'github-token' input is not specified")
     }
 
     if (!this.input.slabUrl) {
-      throw new Error(`The 'slab-url' input is not specified`)
+      throw new Error("The 'slab-url' input is not specified")
     }
 
     if (!this.input.jobSecret) {
-      throw new Error(`The 'job-secret' input is not specified`)
+      throw new Error("The 'job-secret' input is not specified")
     }
 
     if (this.input.mode === 'start') {
       if (!this.input.backend || !this.input.profile) {
         throw new Error(
-          `Not all the required inputs are provided for the 'start' mode`
+          "Not all the required inputs are provided for the 'start' mode"
         )
       }
     } else if (this.input.mode === 'stop') {
       if (!this.input.label) {
         throw new Error(
-          `Not all the required inputs are provided for the 'stop' mode`
+          "Not all the required inputs are provided for the 'stop' mode"
         )
       }
     } else {
@@ -49935,7 +49935,7 @@ function getSignature(content) {
   return hmac.digest('hex')
 }
 
-function concat_path(url, path) {
+function concatPath(url, path) {
   if (url.endsWith('/')) {
     // Multiple '/' char at the end of URL is fine.
     return url.concat(path)
@@ -49969,7 +49969,7 @@ async function startInstanceRequest() {
   core.info(`Request ${provider} instance start`)
 
   try {
-    response = await fetch(concat_path(url, 'job'), {
+    response = await fetch(concatPath(url, 'job'), {
       method: 'POST',
       headers: {
         'Content-Type': 'application/json',
@@ -49980,7 +49980,7 @@ async function startInstanceRequest() {
       body: body.toString()
     })
   } catch (error) {
-    core.error(`Fetch call has failed`)
+    core.error('Fetch call has failed')
     throw error
   }
 
@@ -49988,9 +49988,9 @@ async function startInstanceRequest() {
     core.info(`${provider} instance start successfully requested`)
     return await response.json()
   } else {
-    const resp_body = await response.text()
+    const respBody = await response.text()
     core.error(
-      `${provider} instance start request has failed (HTTP status code: ${response.status}, body: ${resp_body})`
+      `${provider} instance start request has failed (HTTP status code: ${response.status}, body: ${respBody})`
     )
     throw new Error('instance start request failed')
   }
@@ -50012,7 +50012,7 @@ async function stopInstanceRequest(runnerName) {
   core.info(`Request instance stop (runner: ${runnerName})`)
 
   try {
-    response = await fetch(concat_path(url, 'job'), {
+    response = await fetch(concatPath(url, 'job'), {
       method: 'POST',
       headers: {
         'Content-Type': 'application/json',
@@ -50031,9 +50031,9 @@ async function stopInstanceRequest(runnerName) {
     core.info('Instance stop successfully requested')
     return response.json()
   } else {
-    const resp_body = await response.text()
+    const respBody = await response.text()
     core.error(
-      `Instance stop request has failed (HTTP status code: ${response.status}, body: ${resp_body})`
+      `Instance stop request has failed (HTTP status code: ${response.status}, body: ${respBody})`
     )
     throw new Error('instance stop request failed')
   }
@@ -50051,15 +50051,15 @@ async function waitForInstance(taskId, taskName) {
 
     if (response.ok) {
       const body = await response.json()
-      const task_status = body[taskName].status.toLowerCase()
+      const taskStatus = body[taskName].status.toLowerCase()
 
-      if (task_status === 'done') {
+      if (taskStatus === 'done') {
         if (taskName === 'start') {
           await acknowledgeTaskDone(taskId)
         }
         await removeTask(taskId)
         return body
-      } else if (task_status === 'failed') {
+      } else if (taskStatus === 'failed') {
         core.error(`Instance task failed (details: ${body[taskName].details})`)
         core.error('Failure occurred while waiting for instance.')
         await removeTask(taskId)
@@ -50080,7 +50080,7 @@ async function getTask(taskId) {
   let response
 
   try {
-    response = await fetch(concat_path(url, route))
+    response = await fetch(concatPath(url, route))
   } catch (error) {
     core.error(`Failed to fetch task status with ID: ${taskId}`)
     throw error
@@ -50103,7 +50103,7 @@ async function removeTask(taskId) {
   let response
 
   try {
-    response = await fetch(concat_path(url, route), {
+    response = await fetch(concatPath(url, route), {
       method: 'DELETE'
     })
   } catch (error) {
@@ -50128,7 +50128,7 @@ async function acknowledgeTaskDone(taskId) {
   let response
 
   try {
-    response = await fetch(concat_path(url, route), {
+    response = await fetch(concatPath(url, route), {
       method: 'POST'
     })
   } catch (error) {
@@ -52102,19 +52102,18 @@ const slab = __nccwpck_require__(4156)
 const config = __nccwpck_require__(4570)
 const core = __nccwpck_require__(2186)
 const { waitForRunnerRegistered } = __nccwpck_require__(6989)
-const utils = __nccwpck_require__(1608)
 
 function setOutput(label) {
   core.setOutput('label', label)
 }
 
 // This variable should only be defined for cleanup purpose.
-let runner_name
+let runnerName
 
 async function cleanup() {
-  if (runner_name) {
+  if (runnerName) {
     core.info('Stop instance after cancellation')
-    await slab.stopInstanceRequest(runner_name)
+    await slab.stopInstanceRequest(runnerName)
   }
 }
 
@@ -52126,12 +52125,12 @@ process.on('SIGINT', async function () {
 async function start() {
   const provider = config.input.backend
 
-  let start_instance_response
+  let startInstanceResponse
 
   for (let i = 1; i <= 3; i++) {
     try {
-      start_instance_response = await slab.startInstanceRequest()
-      runner_name = start_instance_response.runner_name
+      startInstanceResponse = await slab.startInstanceRequest()
+      runnerName = startInstanceResponse.runner_name
       break
     } catch (error) {
       core.info('Retrying request now...')
@@ -52144,49 +52143,47 @@ async function start() {
     }
   }
 
-  setOutput(start_instance_response.runner_name)
+  setOutput(startInstanceResponse.runner_name)
 
   core.info(
     `${provider} instance details: ${JSON.stringify(
-      start_instance_response.details
+      startInstanceResponse.details
     )}`
   )
 
   try {
-    const wait_instance_response = await slab.waitForInstance(
-      start_instance_response.task_id,
+    const waitInstanceResponse = await slab.waitForInstance(
+      startInstanceResponse.task_id,
       'start'
     )
 
-    const instance_id = wait_instance_response.start.instance_id
-    core.info(`${provider} instance started with ID: ${instance_id}`)
+    const instanceId = waitInstanceResponse.start.instance_id
+    core.info(`${provider} instance started with ID: ${instanceId}`)
 
-    await waitForRunnerRegistered(start_instance_response.runner_name)
+    await waitForRunnerRegistered(startInstanceResponse.runner_name)
   } catch (error) {
     core.info(`Clean up after error, stop ${provider} instance`)
-    await slab.stopInstanceRequest(start_instance_response.runner_name)
+    await slab.stopInstanceRequest(startInstanceResponse.runner_name)
   }
 }
 
 async function stop() {
-  let stop_instance_response
+  let stopInstanceResponse
 
   for (let i = 1; i <= 3; i++) {
     try {
-      stop_instance_response = await slab.stopInstanceRequest(
-        config.input.label
-      )
+      stopInstanceResponse = await slab.stopInstanceRequest(config.input.label)
       break
     } catch (error) {
       core.info('Retrying request now...')
     }
 
     if (i === 3) {
-      core.setFailed(`Instance stop request has failed after 3 attempts`)
+      core.setFailed('Instance stop request has failed after 3 attempts')
     }
   }
 
-  await slab.waitForInstance(stop_instance_response.task_id, 'stop')
+  await slab.waitForInstance(stopInstanceResponse.task_id, 'stop')
 
   core.info('Instance successfully stopped')
 }
diff --git a/package.json b/package.json
index 2025f12..aafd5a0 100644
--- a/package.json
+++ b/package.json
@@ -28,11 +28,13 @@
     "ci-test": "jest --passWithNoTests",
     "format:write": "prettier --write **/*.js",
     "format:check": "prettier --check **/*.js",
+    "format:codebase": "prettier --write **/*js **/*.yml **/*.yaml **/*.md",
+    "format:standardjs": "standard --fix",
     "lint": "npx eslint . -c ./.github/linters/.eslintrc.yml",
     "package": "ncc build src/index.js --license licenses.txt",
     "package:watch": "npm run package -- --watch",
     "test": "jest --passWithNoTests",
-    "all": "npm run format:write && npm run lint && npm run test && npm run package"
+    "all": "npm run format:standardjs && npm run format:write && npm run lint && npm run test && npm run package"
   },
   "eslintConfig": {
     "extends": "./.github/linters/.eslintrc.yml"
diff --git a/src/config.js b/src/config.js
index 6518b4a..0cf74f7 100644
--- a/src/config.js
+++ b/src/config.js
@@ -28,31 +28,31 @@ class Config {
     //
 
     if (!this.input.mode) {
-      throw new Error(`The 'mode' input is not specified`)
+      throw new Error("The 'mode' input is not specified")
     }
 
     if (!this.input.githubToken) {
-      throw new Error(`The 'github-token' input is not specified`)
+      throw new Error("The 'github-token' input is not specified")
     }
 
     if (!this.input.slabUrl) {
-      throw new Error(`The 'slab-url' input is not specified`)
+      throw new Error("The 'slab-url' input is not specified")
     }
 
     if (!this.input.jobSecret) {
-      throw new Error(`The 'job-secret' input is not specified`)
+      throw new Error("The 'job-secret' input is not specified")
     }
 
     if (this.input.mode === 'start') {
       if (!this.input.backend || !this.input.profile) {
         throw new Error(
-          `Not all the required inputs are provided for the 'start' mode`
+          "Not all the required inputs are provided for the 'start' mode"
         )
       }
     } else if (this.input.mode === 'stop') {
       if (!this.input.label) {
         throw new Error(
-          `Not all the required inputs are provided for the 'stop' mode`
+          "Not all the required inputs are provided for the 'stop' mode"
         )
       }
     } else {
diff --git a/src/index.js b/src/index.js
index b3daf6a..d5e5c38 100644
--- a/src/index.js
+++ b/src/index.js
@@ -2,19 +2,18 @@ const slab = require('./slab')
 const config = require('./config')
 const core = require('@actions/core')
 const { waitForRunnerRegistered } = require('./gh')
-const utils = require('./utils')
 
 function setOutput(label) {
   core.setOutput('label', label)
 }
 
 // This variable should only be defined for cleanup purpose.
-let runner_name
+let runnerName
 
 async function cleanup() {
-  if (runner_name) {
+  if (runnerName) {
     core.info('Stop instance after cancellation')
-    await slab.stopInstanceRequest(runner_name)
+    await slab.stopInstanceRequest(runnerName)
   }
 }
 
@@ -26,12 +25,12 @@ process.on('SIGINT', async function () {
 async function start() {
   const provider = config.input.backend
 
-  let start_instance_response
+  let startInstanceResponse
 
   for (let i = 1; i <= 3; i++) {
     try {
-      start_instance_response = await slab.startInstanceRequest()
-      runner_name = start_instance_response.runner_name
+      startInstanceResponse = await slab.startInstanceRequest()
+      runnerName = startInstanceResponse.runner_name
       break
     } catch (error) {
       core.info('Retrying request now...')
@@ -44,49 +43,47 @@ async function start() {
     }
   }
 
-  setOutput(start_instance_response.runner_name)
+  setOutput(startInstanceResponse.runner_name)
 
   core.info(
     `${provider} instance details: ${JSON.stringify(
-      start_instance_response.details
+      startInstanceResponse.details
     )}`
   )
 
   try {
-    const wait_instance_response = await slab.waitForInstance(
-      start_instance_response.task_id,
+    const waitInstanceResponse = await slab.waitForInstance(
+      startInstanceResponse.task_id,
       'start'
     )
 
-    const instance_id = wait_instance_response.start.instance_id
-    core.info(`${provider} instance started with ID: ${instance_id}`)
+    const instanceId = waitInstanceResponse.start.instance_id
+    core.info(`${provider} instance started with ID: ${instanceId}`)
 
-    await waitForRunnerRegistered(start_instance_response.runner_name)
+    await waitForRunnerRegistered(startInstanceResponse.runner_name)
   } catch (error) {
     core.info(`Clean up after error, stop ${provider} instance`)
-    await slab.stopInstanceRequest(start_instance_response.runner_name)
+    await slab.stopInstanceRequest(startInstanceResponse.runner_name)
   }
 }
 
 async function stop() {
-  let stop_instance_response
+  let stopInstanceResponse
 
   for (let i = 1; i <= 3; i++) {
     try {
-      stop_instance_response = await slab.stopInstanceRequest(
-        config.input.label
-      )
+      stopInstanceResponse = await slab.stopInstanceRequest(config.input.label)
       break
     } catch (error) {
       core.info('Retrying request now...')
     }
 
     if (i === 3) {
-      core.setFailed(`Instance stop request has failed after 3 attempts`)
+      core.setFailed('Instance stop request has failed after 3 attempts')
     }
   }
 
-  await slab.waitForInstance(stop_instance_response.task_id, 'stop')
+  await slab.waitForInstance(stopInstanceResponse.task_id, 'stop')
 
   core.info('Instance successfully stopped')
 }
diff --git a/src/slab.js b/src/slab.js
index b8e84bd..ca44854 100644
--- a/src/slab.js
+++ b/src/slab.js
@@ -9,7 +9,7 @@ function getSignature(content) {
   return hmac.digest('hex')
 }
 
-function concat_path(url, path) {
+function concatPath(url, path) {
   if (url.endsWith('/')) {
     // Multiple '/' char at the end of URL is fine.
     return url.concat(path)
@@ -43,7 +43,7 @@ async function startInstanceRequest() {
   core.info(`Request ${provider} instance start`)
 
   try {
-    response = await fetch(concat_path(url, 'job'), {
+    response = await fetch(concatPath(url, 'job'), {
       method: 'POST',
       headers: {
         'Content-Type': 'application/json',
@@ -54,7 +54,7 @@ async function startInstanceRequest() {
       body: body.toString()
     })
   } catch (error) {
-    core.error(`Fetch call has failed`)
+    core.error('Fetch call has failed')
     throw error
   }
 
@@ -62,9 +62,9 @@ async function startInstanceRequest() {
     core.info(`${provider} instance start successfully requested`)
     return await response.json()
   } else {
-    const resp_body = await response.text()
+    const respBody = await response.text()
     core.error(
-      `${provider} instance start request has failed (HTTP status code: ${response.status}, body: ${resp_body})`
+      `${provider} instance start request has failed (HTTP status code: ${response.status}, body: ${respBody})`
     )
     throw new Error('instance start request failed')
   }
@@ -86,7 +86,7 @@ async function stopInstanceRequest(runnerName) {
   core.info(`Request instance stop (runner: ${runnerName})`)
 
   try {
-    response = await fetch(concat_path(url, 'job'), {
+    response = await fetch(concatPath(url, 'job'), {
       method: 'POST',
       headers: {
         'Content-Type': 'application/json',
@@ -105,9 +105,9 @@ async function stopInstanceRequest(runnerName) {
     core.info('Instance stop successfully requested')
     return response.json()
   } else {
-    const resp_body = await response.text()
+    const respBody = await response.text()
     core.error(
-      `Instance stop request has failed (HTTP status code: ${response.status}, body: ${resp_body})`
+      `Instance stop request has failed (HTTP status code: ${response.status}, body: ${respBody})`
     )
     throw new Error('instance stop request failed')
   }
@@ -125,15 +125,15 @@ async function waitForInstance(taskId, taskName) {
 
     if (response.ok) {
       const body = await response.json()
-      const task_status = body[taskName].status.toLowerCase()
+      const taskStatus = body[taskName].status.toLowerCase()
 
-      if (task_status === 'done') {
+      if (taskStatus === 'done') {
         if (taskName === 'start') {
           await acknowledgeTaskDone(taskId)
         }
         await removeTask(taskId)
         return body
-      } else if (task_status === 'failed') {
+      } else if (taskStatus === 'failed') {
         core.error(`Instance task failed (details: ${body[taskName].details})`)
         core.error('Failure occurred while waiting for instance.')
         await removeTask(taskId)
@@ -154,7 +154,7 @@ async function getTask(taskId) {
   let response
 
   try {
-    response = await fetch(concat_path(url, route))
+    response = await fetch(concatPath(url, route))
   } catch (error) {
     core.error(`Failed to fetch task status with ID: ${taskId}`)
     throw error
@@ -177,7 +177,7 @@ async function removeTask(taskId) {
   let response
 
   try {
-    response = await fetch(concat_path(url, route), {
+    response = await fetch(concatPath(url, route), {
       method: 'DELETE'
     })
   } catch (error) {
@@ -202,7 +202,7 @@ async function acknowledgeTaskDone(taskId) {
   let response
 
   try {
-    response = await fetch(concat_path(url, route), {
+    response = await fetch(concatPath(url, route), {
       method: 'POST'
     })
   } catch (error) {