Fix docker registry + Caddy installation files for IP-only config

CI_CD_PIPELINE_SETUP_GUIDE.md

@@ -684,6 +684,7 @@ sudo sed -i "s/YOUR_CI_CD_IP/YOUR_ACTUAL_IP_ADDRESS/g" /opt/APP_NAME/registry/Ca
 
 # Create environment file for registry authentication
 # First, create a secure password hash
+# Save this password somewhere safe
 REGISTRY_PASSWORD="your-secure-registry-password"
 REGISTRY_PASSWORD_HASH=$(htpasswd -nbB registry-user "$REGISTRY_PASSWORD" | cut -d: -f2)
 
@@ -731,7 +732,7 @@ sudo -u CI_SERVICE_USER openssl genrsa -out ca.key 4096
 sudo -u CI_SERVICE_USER openssl req -new -x509 -key ca.key \
     -out ca.crt \
     -days 365 \
-    -subj "/C=US/ST=State/L=City/O=Organization/OU=IT/CN=Registry-CA"
+    -subj "/C=US/ST=State/L=City/O=Organization/OU=IT/CN=YOUR_DESIRED_CA"
 
 # Generate server private key
 sudo -u CI_SERVICE_USER openssl genrsa -out registry.key 4096
@@ -857,9 +858,6 @@ sudo su - CI_SERVICE_USER
 # Navigate to the application directory
 cd /opt/APP_NAME/registry
 
-# Update Caddyfile to use FHS-compliant certificate paths
-sudo sed -i "s|/opt/registry/certs|/etc/registry/certs|g" /opt/APP_NAME/registry/Caddyfile
-
 # Start the Docker Registry and Caddy services using the registry compose file
 docker compose -f docker-compose.registry.yml up -d
 
@@ -876,6 +874,12 @@ exit
 # Install systemd service from repository
 sudo cp /opt/APP_NAME/registry/docker-registry.service /etc/systemd/system/docker-registry.service
 
+# Replace APP_NAME placeholder with actual application name
+sudo sed -i "s/APP_NAME/YOUR_ACTUAL_APP_NAME/g" /etc/systemd/system/docker-registry.service
+
+# Replace CI_SERVICE_USER placeholder with actual CI service user name
+sudo sed -i "s/CI_SERVICE_USER/YOUR_ACTUAL_CI_SERVICE_USER/g" /etc/systemd/system/docker-registry.service
+
 # Enable and start Docker Registry service
 sudo systemctl daemon-reload
 sudo systemctl enable docker-registry.service

registry/Caddyfile

@@ -1,139 +1,25 @@
-(registry_auth) {
-    basicauth {
-        {env.REGISTRY_USERNAME} {env.REGISTRY_PASSWORD_HASH}
-    }
+# Auth-required pushes on 4443
+:4443 {
+  tls /etc/certs/registry.crt /etc/certs/registry.key
+  log
+
+  # require auth on writes
+  @writes method PUT POST PATCH DELETE
+  basic_auth @writes {
+    registry-user DOCKER_REGISTRY_PASSWORD
   }
 
-# Option A: Self-signed certificates (IP address)
-YOUR_ACTUAL_IP_ADDRESS {
-    # Use our generated TLS certificate
-    tls /etc/caddy/certs/registry.crt /etc/caddy/certs/registry.key
-
-    # Security headers
-    header {
-        X-Content-Type-Options nosniff
-        X-Frame-Options DENY
-        X-XSS-Protection "1; mode=block"
-        Referrer-Policy "strict-origin-when-cross-origin"
-        Content-Security-Policy "default-src 'self'; frame-ancestors 'none'"
+  # also require auth on the /v2/ ping so Docker sends creds
+  @v2ping {
+    path /v2/
+    method GET
+  }
+  basic_auth @v2ping {
+    registry-user DOCKER_REGISTRY_PASSWORD
   }
 
-    # Handle registry operations based on URL patterns
-    @push_operations {
-        path /v2/*/blobs/uploads/*
-        path /v2/*/manifests/*
-        method PUT POST PATCH DELETE
+  reverse_proxy /v2/* registry:5000
 }
 
-    @pull_operations {
-        path /v2/*/blobs/*
-        path /v2/*/manifests/*
-        path /v2/_catalog
-        path /v2/*/tags/list
-        method GET HEAD OPTIONS
-    }
 
-    # Require authentication for push operations
-    handle @push_operations {
-        import registry_auth
-        reverse_proxy registry:5000 {
-            header_up Authorization {http.request.header.Authorization}
-            header_up X-Forwarded-For {remote_host}
-            header_up X-Forwarded-Proto {scheme}
-            header_up X-Forwarded-Host {host}
-            header_up Host {host}
-        }
-    }
-
-    # Allow unauthenticated pull operations
-    handle @pull_operations {
-        reverse_proxy registry:5000 {
-            header_up X-Forwarded-For {remote_host}
-            header_up X-Forwarded-Proto {scheme}
-            header_up X-Forwarded-Host {host}
-            header_up Host {host}
-        }
-    }
-
-    # Block all other requests
-    handle {
-        respond "Registry operation not allowed" 405
-    }
-
-    # Logging
-    log {
-        output file /var/log/caddy/registry.log
-        format json
-        level INFO
-    }
-
-    # Compression
-    encode zstd gzip
-}
-
-# Option B: Let's Encrypt certificates (Domain name)
-# Uncomment and customize for domain-based setup
-# YOUR_DOMAIN_NAME {
-#     # Let's Encrypt handles TLS automatically
-#     
-#     # Security headers
-#     header {
-#         X-Content-Type-Options nosniff
-#         X-Frame-Options DENY
-#         X-XSS-Protection "1; mode=block"
-#         Referrer-Policy "strict-origin-when-cross-origin"
-#         Content-Security-Policy "default-src 'self'; frame-ancestors 'none'"
-#     }
-#
-#     # Handle registry operations based on URL patterns
-#     @push_operations {
-#         path /v2/*/blobs/uploads/*
-#         path /v2/*/manifests/*
-#         method PUT POST PATCH DELETE
-#     }
-#
-#     @pull_operations {
-#         path /v2/*/blobs/*
-#         path /v2/*/manifests/*
-#         path /v2/_catalog
-#         path /v2/*/tags/list
-#         method GET HEAD OPTIONS
-#     }
-#
-#     # Require authentication for push operations
-#     handle @push_operations {
-#         import registry_auth
-#         reverse_proxy registry:5000 {
-#             header_up Authorization {http.request.header.Authorization}
-#             header_up X-Forwarded-For {remote_host}
-#             header_up X-Forwarded-Proto {scheme}
-#             header_up X-Forwarded-Host {host}
-#             header_up Host {host}
-#         }
-#     }
-#
-#     # Allow unauthenticated pull operations
-#     handle @pull_operations {
-#         reverse_proxy registry:5000 {
-#             header_up X-Forwarded-For {remote_host}
-#             header_up X-Forwarded-Proto {scheme}
-#             header_up X-Forwarded-Host {host}
-#             header_up Host {host}
-#         }
-#     }
-#
-#     # Block all other requests
-#     handle {
-#         respond "Registry operation not allowed" 405
-#     }
-#
-#     # Logging
-#     log {
-#         output file /var/log/caddy/registry.log
-#         format json
-#         level INFO
-#     }
-#
-#     # Compression
-#     encode zstd gzip
-# }
+# TODO: Add Option B: Let's Encrypt certificates (Domain name)

registry/config.yml

@@ -10,10 +10,3 @@ http:
   addr: :5000
   headers:
     X-Content-Type-Options: [nosniff]
-middleware:
-  repository:
-    - name: AwsEc2PublicBlock
-  storage:
-    - name: Redirect
-      options:
-        baseurl: https://YOUR_ACTUAL_IP_ADDRESS 

registry/docker-compose.registry.yml

@@ -1,40 +1,29 @@
-version: '3'
-
 services:
   registry:
     image: registry:2
     container_name: registry
-    networks:
-      - sharenet-ci
+    restart: unless-stopped
+    environment:
+      REGISTRY_STORAGE_FILESYSTEM_ROOTDIRECTORY: /var/lib/registry
+      # Optional but recommended if you want to be able to delete images:
+      REGISTRY_STORAGE_DELETE_ENABLED: "true"
+      # Listen only inside the compose network
+      REGISTRY_HTTP_ADDR: 0.0.0.0:5000
     volumes:
-      - /var/lib/registry:/var/lib/registry
-      - ./config.yml:/etc/docker/registry/config.yml
-    ports:
-      - "127.0.0.1:5000:5000"  # Localhost only
+      - ./registry:/var/lib/registry
+    expose:
+      - "5000"   # internal only, not published
 
   caddy:
-    image: caddy:latest
+    image: caddy:2
     container_name: caddy
+    restart: unless-stopped
     depends_on:
       - registry
-    networks:
-      - sharenet-ci
     ports:
-      - "80:80"
-      - "443:443"
+      - "443:443"   # HTTPS only
+      - "4443:4443"
+      # deliberately no "80:80" – no HTTP
     volumes:
-      - ./Caddyfile:/etc/caddy/Caddyfile
-      - /etc/registry/certs:/etc/caddy/certs
-      - /var/log/registry:/var/log/caddy
-      - caddy_data:/data
-      - caddy_config:/config
-    env_file:
-      - .env
-
-volumes:
-  caddy_data:
-  caddy_config:
-
-networks:
-  sharenet-ci:
-    driver: bridge
+      - ./Caddyfile:/etc/caddy/Caddyfile:ro
+      - ./certs:/etc/certs:ro

registry/openssl.conf

@@ -1,23 +1,16 @@
 [ req ]
-distinguished_name = req_distinguished_name
-req_extensions = v3_req
+default_bits       = 2048
 prompt             = no
+default_md         = sha256
+req_extensions     = req_ext
+distinguished_name = dn
 
-[req_distinguished_name]
-C = US
-ST = State
-L = City
-O = Organization
-OU = IT
-CN = YOUR_ACTUAL_IP_ADDRESS
+[ dn ]
+O=YOUR_REGISTRY_NAME
+CN=YOUR_CI_CD_IP
 
-[v3_req]
-keyUsage = keyEncipherment, dataEncipherment
-extendedKeyUsage = serverAuth
+[ req_ext ]
 subjectAltName = @alt_names
 
 [ alt_names ]
-DNS.1 = YOUR_ACTUAL_IP_ADDRESS
-DNS.2 = localhost
-IP.1 = YOUR_ACTUAL_IP_ADDRESS
-IP.2 = 127.0.0.1 
+IP.1 = YOUR_CI_CD_IP