fix: disable ipv6 in docker (resolve #584)

Dockerfile

@@ -14,7 +14,7 @@ WORKDIR /staging
 RUN mkdir ./data ./app && \
  cp /src/wakapi app/ && \
  cp /src/config.default.yml app/config.yml && \
- sed -i 's/listen_ipv6: ::1/listen_ipv6: /g' app/config.yml && \
+ sed -i 's/listen_ipv6: ::1/listen_ipv6: "-"/g' app/config.yml && \
  cp /src/wait-for-it.sh app/ && \
  cp /src/entrypoint.sh app/ && \
  chown 1000:1000 ./data

README.md

@@ -149,9 +149,9 @@ You can specify configuration options either via a config file (default: `config
 | `app.support_contact` /<br>`WAKAPI_SUPPORT_CONTACT` | `[email protected]` | E-Mail address to display as a support contact on the page |
 | `app.data_retention_months` /<br>`WAKAPI_DATA_RETENTION_MONTHS` | `-1` | Maximum retention period in months for user data (heartbeats) (-1 for unlimited) |
 | `server.port` /<br> `WAKAPI_PORT` | `3000` | Port to listen on |
-| `server.listen_ipv4` /<br> `WAKAPI_LISTEN_IPV4` | `127.0.0.1` | IPv4 network address to listen on (leave blank to disable IPv4)  |
-| `server.listen_ipv6` /<br> `WAKAPI_LISTEN_IPV6` | `::1` | IPv6 network address to listen on (leave blank to disable IPv6)  |
-| `server.listen_socket` /<br> `WAKAPI_LISTEN_SOCKET` | - | UNIX socket to listen on (leave blank to disable UNIX socket)  |
+| `server.listen_ipv4` /<br> `WAKAPI_LISTEN_IPV4` | `127.0.0.1` | IPv4 network address to listen on (set to `'-'` to disable IPv4) |
+| `server.listen_ipv6` /<br> `WAKAPI_LISTEN_IPV6` | `::1` | IPv6 network address to listen on (set to `'-'` to disable IPv6) |
+| `server.listen_socket` /<br> `WAKAPI_LISTEN_SOCKET` | - | UNIX socket to listen on (set to `'-'` to disable UNIX socket) |
 | `server.listen_socket_mode` /<br> `WAKAPI_LISTEN_SOCKET_MODE` | `0666` | Permission mode to create UNIX socket with |
 | `server.timeout_sec` /<br> `WAKAPI_TIMEOUT_SEC` | `30` | Request timeout in seconds |
 | `server.tls_cert_path` /<br> `WAKAPI_TLS_CERT_PATH` | - | Path of SSL server certificate (leave blank to not use HTTPS) |

config.default.yml

@@ -4,9 +4,9 @@ skip_migrations: false # whether to intentionally not run database
 enable_pprof: false # whether to expose pprof (https://pkg.go.dev/runtime/pprof) profiling data as an endpoint for debugging
 
 server:
- listen_ipv4: 127.0.0.1 # leave blank to disable ipv4
- listen_ipv6: ::1 # leave blank to disable ipv6
- listen_socket: # leave blank to disable unix sockets
+ listen_ipv4: 127.0.0.1 # set to '-' to disable ipv4
+ listen_ipv6: ::1 # set to '-' to disable ipv6
+ listen_socket: # set to '-' to disable unix sockets
  listen_socket_mode: 0666 # permission mode to create unix socket with
  timeout_sec: 30 # request timeout
  tls_cert_path: # leave blank to not use https