fix the dockerfile for tailwind example

Author: cgsdev0

examples/tailwind/Dockerfile

@@ -1,18 +1,21 @@
 FROM node:20-alpine3.17 as tailwind
 
 COPY . /app
-RUN npx tailwindcss -i /app/static/style.css -o build.css --minify
+
+WORKDIR /app
+
+RUN npx tailwindcss -i /app/static/style.css -o /app/build.css --minify
 
 FROM ubuntu as prod
 
-ENV DEV false
+ENV DEV=false
 
 RUN apt-get update && apt-get install ucspi-tcp
 
 EXPOSE 3000
 
 COPY . /app
 
-COPY --from=tailwind build.css /app/static/tailwind.css
+COPY --from=tailwind /app/build.css /app/static/tailwind.css
 
 CMD [ "/app/start.sh" ]

start.sh

@@ -4,7 +4,7 @@ cd "${0%/*}"
 
 [[ -f 'config.sh' ]] && source config.sh
 
-if [[ ! -z "$TAILWIND" ]]; then
+if [[ "${DEV:-true}" == "true" ]] && [[ ! -z "$TAILWIND" ]]; then
    npx tailwindcss -i ./static/style.css -o ./static/tailwind.css --watch=always 2>&1 \
      | sed '/^[[:space:]]*$/d;s/^/[tailwind] /' &
    PID=$!