step_ca []

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======Step CA Docker======
=====Introduction=====
Create own Certificate Authority with Step CA Docker image
=====Installation=====
Create directories to put docker files
<code>
mkdir -p /opt/step-ca/data
chown 1000:1000 /opt/step-ca/data
chmod 700 /opt/step-ca/data
</code>

====Initial config====
   docker run -it -v /opt/step-ca/data:/home/step smallstep/step-ca step ca init --acme
====Create password file====
<code>
docker run -it -v /opt/step-ca/data:/home/step smallstep/step-ca bash
echo -n "password" > secrets/password
chmod 600 secrets/password
</code>

====Alter configfile====
<code - /opt/step-ca/data/config/ca.json>
.
.
"authority": {
  "provisioners": [
      {
.
.
        "encryptedKey": "<secret key already set by init>",
         "claims": {
           "minTLSCertDuration": "8760h0m0s",
           "maxTLSCertDuration": "17520h0m0s",
           "defaultTLSCertDuration": "8760h0m0s",
           "enableSSHCA": false,
           "disableRenewal": false,
           "allowRenewalAfterExpiry": false
         },
         "options": {
           "x509": {},
           "ssh": {}
         }
       },
       {
         "type": "ACME",
         "name": "heitmann",
         "claims": {
           "maxTLSCertDuration": "2160h0m0s",
           "defaultTLSCertDuration": "2160h0m0s",
           "enableSSHCA": true,
           "disableRenewal": false,
           "allowRenewalAfterExpiry": false
         },
         "options": {
           "x509": {},
           "ssh": {}
         }
      }
   ],
.   
.
</code>

====Compose file====
<code - docker-compose.yml>
version: '3.2'
services:
  step-ca:
    image: smallstep/step-ca
    container_name: step-ca
    hostname: step-ca
    restart: unless-stopped
    ports:
      - "172.16.1.60:9000:9000"
      - "172.16.1.60:9001:9001"
    volumes:
      - ./data:/home/step
    networks:
      - dmz
    healthcheck:
      test: [ "CMD", "curl", "-k", "https://172.16.1.60:9000/health" ]
      timeout: 30s
      interval: 10s
      retries: 6

networks:
  dmz:
    external: true
</code>

====Manual certificate creation====

<code>
docker exec -ti step-ca bash
step certificate create nas.mgmt.internal certs/nas.mgmt.internal.crt secrets/nas.mgmt.internal.key --kty=RSA --no-password --insecure --ca=certs/intermediate_ca.crt --ca-key=secrets/intermediate_ca_key --san=nas.mgmt.internal --san=nas.local.internal --san=172.16.3.10 --san=172.16.2.10
</code>


{{tag>linux}}
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