feat: change redis container hostname with env

Author: stasadev

README.md

@@ -113,6 +113,7 @@ All customization options (use with caution):
 | Variable | Flag | Default |
 | -------- | ---- | ------- |
 | `REDIS_DOCKER_IMAGE` | `--redis-docker-image` | `redis:7` |
+| `REDIS_HOSTNAME` | `--redis-hostname` | `redis` |
 | `REDIS_OPTIMIZED` | `--redis-optimized` | `false` (`true`/`false`) |
 
 ## Credits

commands/host/redis-backend

@@ -44,6 +44,11 @@ function optimize_config() {
  ddev dotenv set .ddev/.env.redis --redis-optimized=true
 }
 
+function change_hostname() {
+ [[ "${REDIS_HOSTNAME:-}" == "" ]] && return
+ ddev dotenv set .ddev/.env.redis --redis-hostname="$REDIS_HOSTNAME"
+}
+
 function cleanup() {
  rm -f "$DDEV_APPROOT/.ddev/.env.redis"
  rm -rf "$DDEV_APPROOT/.ddev/redis/"
@@ -82,10 +87,12 @@ case "$REDIS_DOCKER_IMAGE" in
  valkey)
  NAME="Valkey 8"
  REDIS_DOCKER_IMAGE="valkey/valkey:8"
+ REDIS_HOSTNAME="valkey"
  ;;
  valkey-alpine)
  NAME="Valkey 8 Alpine"
  REDIS_DOCKER_IMAGE="valkey/valkey:8-alpine"
+ REDIS_HOSTNAME="valkey"
  ;;
  ""|--help|-h)
  show_help
@@ -99,6 +106,7 @@ esac
 check_docker_image
 cleanup
 optimize_config
+change_hostname
 use_docker_image
 
 echo

commands/redis/redis-cli

@@ -7,7 +7,7 @@
 ## Aliases: redis
 
 if [ -f /etc/redis/conf/security.conf ]; then
- redis-cli -p 6379 -h redis -a redis --no-auth-warning $@
+ redis-cli -p 6379 -h "${REDIS_HOSTNAME:-redis}" -a redis --no-auth-warning $@
 else
- redis-cli -p 6379 -h redis $@
+ redis-cli -p 6379 -h "${REDIS_HOSTNAME:-redis}" $@
 fi

commands/redis/redis-flush

@@ -6,7 +6,7 @@
 ## Example: "ddev redis-flush"
 
 if [ -f /etc/redis/conf/security.conf ]; then
- redis-cli -p 6379 -h redis -a redis --no-auth-warning FLUSHALL ASYNC
+ redis-cli -p 6379 -h "${REDIS_HOSTNAME:-redis}" -a redis --no-auth-warning FLUSHALL ASYNC
 else
- redis-cli -p 6379 -h redis FLUSHALL ASYNC
+ redis-cli -p 6379 -h "${REDIS_HOSTNAME:-redis}" FLUSHALL ASYNC
 fi

docker-compose.redis.yaml

@@ -3,6 +3,7 @@ services:
  redis:
  container_name: ddev-${DDEV_SITENAME}-redis
  image: ${REDIS_DOCKER_IMAGE:-redis:7}
+ hostname: ${REDIS_HOSTNAME:-redis}
  # These labels ensure this service is discoverable by ddev.
  labels:
  com.ddev.site-name: ${DDEV_SITENAME}