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Allow to override BIND_CONFIG from environment #168

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Allow to override BIND_CONFIG from environment #168

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26 changes: 14 additions & 12 deletions docker-entrypoint.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -4,21 +4,23 @@ set -e
# Raise default nofile limit for HAProxy v3
ulimit -n 10000 2>/dev/null || true

# Normalize the input for DISABLE_IPV6 to lowercase
DISABLE_IPV6_LOWER=$(echo "$DISABLE_IPV6" | tr '[:upper:]' '[:lower:]')
if [ -z "$BIND_CONFIG" ]; then
# Normalize the input for DISABLE_IPV6 to lowercase
DISABLE_IPV6_LOWER=$(echo "$DISABLE_IPV6" | tr '[:upper:]' '[:lower:]')

# Check for different representations of 'true' and set BIND_CONFIG
case "$DISABLE_IPV6_LOWER" in
1|true|yes)
BIND_CONFIG=":2375"
;;
*)
BIND_CONFIG="[::]:2375 v4v6"
;;
esac
# Check for different representations of 'true' and set BIND_CONFIG
case "$DISABLE_IPV6_LOWER" in
1|true|yes)
BIND_CONFIG=":2375"
;;
*)
BIND_CONFIG="[::]:2375 v4v6"
;;
esac
fi

# Process the HAProxy configuration template using sed
sed "s/\${BIND_CONFIG}/$BIND_CONFIG/g" /usr/local/etc/haproxy/haproxy.cfg.template > /tmp/haproxy.cfg
sed "s|\${BIND_CONFIG}|$BIND_CONFIG|g" /usr/local/etc/haproxy/haproxy.cfg.template > /tmp/haproxy.cfg

# first arg is `-f` or `--some-option`
if [ "${1#-}" != "$1" ]; then
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