Respect the WATCH env var when running in Docker

Author: sanex3339

.env.docker.example

@@ -4,3 +4,5 @@ METABASE_JWT_SHARED_SECRET="ffffffffffffffffffffffffffffffffffffffffffffffffffff
 MB_PORT=4300
 CLIENT_PORT=4400
 AUTH_PROVIDER_PORT=4500
+
+WATCH="false"

client/Dockerfile

@@ -1,5 +1,14 @@
 FROM node:22-bullseye AS runner
 
+ARG WATCH=false
+ENV WATCH=${WATCH}
+
+ARG VITE_METABASE_INSTANCE_URL
+ENV VITE_METABASE_INSTANCE_URL=${VITE_METABASE_INSTANCE_URL}
+
+ARG VITE_AUTH_PROVIDER_URI
+ENV VITE_AUTH_PROVIDER_URI=${VITE_AUTH_PROVIDER_URI}
+
 WORKDIR /app
 
 COPY ./client ./client
@@ -16,4 +25,11 @@ RUN if [ -d "../local-dist/embedding-sdk" ]; then \
       echo "Local embedding-sdk dist is not found in ../local-dist/embedding-sdk, skipping copy"; \
     fi
 
-CMD ["npx", "vite", "--host"]
+RUN if [ "$WATCH" != "true" ]; then \
+      echo "WATCH env is not set; running production yarn build..."; \
+      npx vite build; \
+    else \
+      echo "WATCH env is set; running in development mode..."; \
+    fi
+
+ENTRYPOINT ["/app/client/entrypoint.sh"]

client/entrypoint.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+set -e
+
+if [ "$WATCH" = "true" ]; then
+  npx vite --host
+else
+  npx vite preview --host
+fi