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▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄   Bicep Cost Estimator
▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄   Estimate Azure costs directly from Bicep and ARM templates.
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▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄   title : GitHub Action
▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄   page  : https://bicepcostestimator.net/github-action
▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄   repo  : https://github.com/polatengin/washington
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The Washington GitHub Action builds and runs the  bce  CLI in CI so you can estimate Azure costs directly from your workflow.

Usage
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Add to your workflow file ( .github/workflows/cost-estimate.yml ):

┌─ yaml example ─────────────────────────────────────┐
│name: Cost Estimate                                 │
│on:                                                 │
│  pull_request:                                     │
│    paths:                                          │
│      - '**/*.bicep'                                │
│      - '**/*.json'                                 │
│                                                    │
│jobs:                                               │
│  estimate:                                         │
│    runs-on: ubuntu-latest                          │
│    steps:                                          │
│      - uses: actions/checkout@v4                   │
│      - id: cost                                    │
│        uses: polatengin/washington@main            │
│        with:                                       │
│          file: main.bicep                          │
│          params-file: main.bicepparam              │
│          output-format: json                       │
└────────────────────────────────────────────────────┘

Inputs
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•  file 
  Description: Path to the  .bicep  file to estimate
  Required: Yes
  Default: -

•  params-file 
  Description: Optional  .bicepparam  file
  Required: No
  Default: -

•  base-file 
  Description: Base branch  .bicep  file for delta comparison
  Required: No
  Default: -

•  base-params-file 
  Description: Base branch  .bicepparam  file for delta comparison
  Required: No
  Default: -

•  output-format 
  Description: Result format:  json ,  table , or  markdown 
  Required: No
  Default:  json 

•  fail-on-threshold 
  Description: Fail the step if the monthly total exceeds this value
  Required: No
  Default: -

Outputs
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•  estimation-result 
  Description: Full estimation result in the selected output format

•  total-cost 
  Description: Estimated monthly total

•  base-cost 
  Description: Estimated monthly total for the base file, or  0 

•  delta-cost 
  Description: Difference between current and base totals

Example
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┌─ yaml example ───────────────────────────────────────────────┐
│- name: Show estimated total                                  │
│  run: |                                                      │
│    echo "Monthly total: ${{ steps.cost.outputs.total-cost }}"│
└──────────────────────────────────────────────────────────────┘

Current Behavior Notes
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• The action builds the CLI from source as part of the composite action run.
•  params-file  and  base-params-file  are passed through to the CLI and applied during parameter resolution.
• Delta comparison is calculated as  current - base  using the two reported totals.