Add conf via env vars to docker: MAX_BYTES RECORD_POLL_TIMEOUT, DEBUG_LOGS_ENABLED as per gh issue lensesio#74

Signed-off-by: Marios Andreopoulos <opensource@andmarios.com>

Author: andmarios

docker/README.md

@@ -38,3 +38,9 @@ Caddy server will proxy the traffic to the REST Proxy:
 If your REST Proxy uses self-signed SSL certificates, you can use the
 `PROXY_SKIP_VERIFY=true` environment variable to instruct the proxy to
 not verify the backend TLS certificate.
+
+# Configuration options
+
+You can control most of Kafka Topics UI settings via environment variables:
+`MAX_BYTES` (default 50000), `RECORD_POLL_TIMEOUT` (default 2000),
+`DEBUG_LOGS_ENABLED` (default true).

docker/run.sh

@@ -1,6 +1,9 @@
 #!/bin/sh
 
 PROXY_SKIP_VERIFY="${PROXY_SKIP_VERIFY:-false}"
+MAX_BYTES="${MAX_BYTES:-50000}"
+RECORD_POLL_TIMEOUT="${RECORD_POLL_TIMEOUT:-2000}"
+DEBUG_LOGS_ENABLED="${DEBUG_LOGS_ENABLED:-true}"
 INSECURE_PROXY=""
 
 if echo "$PROXY_SKIP_VERIFY" | egrep -sq "true|TRUE|y|Y|yes|YES|1"; then
@@ -28,9 +31,9 @@ var clusters = [
    {
      NAME:"default",
      KAFKA_REST: "$KAFKA_REST_PROXY_URL",
-     MAX_BYTES: "50000",
-     RECORD_POLL_TIMEOUT: "2000",
-     DEBUG_LOGS_ENABLED: true
+     MAX_BYTES: "$MAX_BYTES",
+     RECORD_POLL_TIMEOUT: "$RECORD_POLL_TIMEOUT",
+     DEBUG_LOGS_ENABLED: $DEBUG_LOGS_ENABLED
    }
 ]
 EOF