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Add attested-tls-proxy to buildernet/mkosi recipe #367

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Merged
canercidam merged 2 commits into from
Feb 13, 2026
Merged

Add attested-tls-proxy to buildernet/mkosi recipe #367

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04d3256
add attested-tls-proxy to buildernet/mkosi recipe
canercidam Feb 12, 2026
931c9f0
feat: improve atls proxy config and point it to other proxy that adds…
fkondej Feb 12, 2026
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20 changes: 20 additions & 0 deletions custom-recipes/buildernet/mkosi/playground.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,26 @@ description: Deploy the stack with the BuilderNet mkosi image (QEMU)
recipe:
builder-vm:
services:
attested-tls-proxy:
image: ghcr.io/flashbots/attested-tls-proxy
tag: "1.0.1"
args:
- server
- --listen-addr
- 127.0.0.1:7000
- --server-attestation-type
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@claude claude bot Feb 12, 2026

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Both --server-attestation-type none and --allowed-remote-attestation-type none disable attestation verification. This is expected for local dev, but worth a comment in the YAML for clarity so future readers understand this is intentional and must not be used in production.

- none
- --allowed-remote-attestation-type
- none
- --tls-private-key-path
- /server.key
- --tls-certificate-path
- /server.crt
- 127.0.0.1:8000
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@claude claude bot Feb 12, 2026

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The last positional argument 127.0.0.1:8000 is the backend/upstream address being proxied to. What service is expected to be listening on port 8000? There's no depends_on configured for this service, so if the upstream isn't ready when the proxy starts, connections will fail. Consider adding a depends_on or a ready_check if the upstream service is defined elsewhere in the recipe.

files:
"/server.key": "server.key"
"/server.crt": "server.crt"

builder:
lifecycle_hooks: true
init:
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19 changes: 19 additions & 0 deletions custom-recipes/buildernet/mkosi/server.crt
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@@ -0,0 +1,19 @@
-----BEGIN CERTIFICATE-----
MIIDCTCCAfGgAwIBAgIUJiyepwRfje5+tjuPhiA9uWQj4WgwDQYJKoZIhvcNAQEL
BQAwFDESMBAGA1UEAwwJbG9jYWxob3N0MB4XDTI2MDIxMjAwMzMyOVoXDTI3MDIx
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917M8ZdcpnSZwd78FA==
-----END CERTIFICATE-----
28 changes: 28 additions & 0 deletions custom-recipes/buildernet/mkosi/server.key
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Original file line number Diff line number Diff line change
@@ -0,0 +1,28 @@
-----BEGIN PRIVATE KEY-----
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@claude claude bot Feb 12, 2026

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Security concern: Private key committed to repository.

Even if this is a self-signed key for local development/testing, committing private keys to a public repository is a bad practice:

  1. Credential hygiene - It normalizes committing secrets to version control. Anyone cloning this repo gets this key, and it could be mistakenly used beyond local dev.
  2. Key rotation - If this key ever needs to be rotated, it remains in git history forever.

Consider:

  • Generating the key/cert pair at runtime (e.g., in an init step or as an artifact) instead of checking them in. The attested-tls-proxy or a simple openssl command in an init script could generate ephemeral certs.
  • If they must be static files, add a clear comment in the YAML or a README explaining they are intentionally throwaway dev-only credentials.

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-----END PRIVATE KEY-----