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The `subnet` was randomly generated per RFC 4193.
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🧹 Nitpick comments (2)
compose.yml (2)
211-211: Consider using a/64subnet instead of/48.If no IPv6 pools are included in Docker Engine's default-address-pools and no subnet is given, ULAs will be used; these are
/64subnets. All Docker documentation examples for user-defined Compose networks use/64(e.g.,subnet: 2001:db8::/64). A/48is technically valid but unusually wide for a single Docker bridge network — Docker will allocate individual container IPs from it, which works, but may cause confusion and deviates from the standard pattern. If the intent is to reserve address space for future sub-networks, that's fine, but the typical choice here is/64.🔧 Suggested change
- - subnet: fdc1:f5e4:6668::/48 + - subnet: fdc1:f5e4:6668::/64🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@compose.yml` at line 211, The IPv6 subnet configured as "subnet: fdc1:f5e4:6668::/48" is unusually large for a single Docker bridge network; change the subnet to a /64 (e.g., replace /48 with /64) so the Compose network follows Docker's common pattern and avoids confusion, unless you intentionally need a /48 to reserve space for multiple subnets—if so, add an inline comment explaining that intent next to the "subnet: fdc1:f5e4:6668::/48" entry.
208-211: Host Docker daemon must have IPv6 enabled for this to take effect.By default, Docker only supports IPv4, so configuration changes are required. Specifically,
/etc/docker/daemon.jsonmust be edited to include"ipv6": true— without this, theghost_networkwill either fail to create or silently fall back to IPv4-only, meaning theenable_ipv6: truehere has no effect. Consider adding a note to your deployment README/docs calling this out as a prerequisite.🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@compose.yml` around lines 208 - 211, The compose network config sets enable_ipv6: true and an IPv6 ipam subnet (fdc1:f5e4:6668::/48) but this has no effect unless the Docker daemon has IPv6 enabled; update the Docker daemon configuration (daemon.json) to enable IPv6 and restart the daemon so the ghost_network can be created with IPv6, and add a clear prerequisite note to the deployment README/docs calling out that the Docker daemon must have IPv6 enabled before using the enable_ipv6 and ipam subnet settings.
🤖 Prompt for all review comments with AI agents
Verify each finding against the current code and only fix it if needed.
Nitpick comments:
In `@compose.yml`:
- Line 211: The IPv6 subnet configured as "subnet: fdc1:f5e4:6668::/48" is
unusually large for a single Docker bridge network; change the subnet to a /64
(e.g., replace /48 with /64) so the Compose network follows Docker's common
pattern and avoids confusion, unless you intentionally need a /48 to reserve
space for multiple subnets—if so, add an inline comment explaining that intent
next to the "subnet: fdc1:f5e4:6668::/48" entry.
- Around line 208-211: The compose network config sets enable_ipv6: true and an
IPv6 ipam subnet (fdc1:f5e4:6668::/48) but this has no effect unless the Docker
daemon has IPv6 enabled; update the Docker daemon configuration (daemon.json) to
enable IPv6 and restart the daemon so the ghost_network can be created with
IPv6, and add a clear prerequisite note to the deployment README/docs calling
out that the Docker daemon must have IPv6 enabled before using the enable_ipv6
and ipam subnet settings.
1 participant
The
subnetwas randomly generated per RFC 4193.