homelab/nixos/secrets/README.md
2025-06-03 23:07:46 +02:00

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🔑 2. Generate an age Keypair
age-keygen -o secrets/age.key
This will output something like:
# created: 2025-06-02T22:00:00Z
# public key: age1abcdefghijk...
Copy that public key somewhere — youll need it for encrypting.
✅ You should now have:
secrets/
├── age.key # keep this safe and private!
📝 3. Create Encrypted Secrets File
sops --age age1abcdefghijk... secrets/secrets.yaml
This opens a YAML file in your $EDITOR. Add secrets like:
forgejo-admin-password: "my-super-secret-password"
Save and close the file — its now encrypted using the public key.
✅ Now you should have:
secrets/
├── age.key
├── secrets.yaml # encrypted file (safe to commit)
You can commit secrets.yaml, but do not commit age.key unless you're OK with putting it on a VM.
🧪 Test Decryption Locally
export SOPS_AGE_KEY_FILE=secrets/age.key
To test:
sops -d secrets/secrets.yaml
To edit:
sops secrets/secrets.yaml
[plasmagoat@forgejo:~]$ sudo chmod 400 /etc/sops/age.key && sudo chown root:root /etc/sops/age.key