fix: remove tailwind from dockerfile and add podman-build command

Dockerfile

@@ -1,5 +1,5 @@
-FROM golang:1.23-alpine as build_go
-RUN apk add --no-cache curl npm
+FROM golang:1.25-alpine as build_go
+RUN apk add --no-cache curl
 
 WORKDIR /app
 
@@ -9,15 +9,13 @@ RUN go mod download
 COPY . .
 
 RUN go install github.com/a-h/templ/cmd/templ@latest
-RUN npm install tailwindcss @tailwindcss/cli
 
 RUN templ generate
-RUN npx @tailwindcss/cli -i ./cmd/web/assets/css/input.css -o ./cmd/web/assets/css/output.css
 
 RUN go build -o main cmd/main.go
 
 # Stage 2, distribution container
-FROM golang:1.23-alpine
+FROM golang:1.25-alpine
 EXPOSE 8080
 VOLUME /sorted
 VOLUME /frontend