fix(dockerfile): add templ

Dockerfile

@@ -1,30 +1,64 @@
+# syntax=docker/dockerfile:1
+
+############################
+# Build stage
+############################
 FROM golang:1.24-alpine AS builder
 
-RUN apk add --no-cache git build-base sqlite-dev
+# You can still override these if you want
+ARG TAILWIND_VERSION=v4.1.11
+
+# deps for CGO + curl
+RUN apk add --no-cache git build-base sqlite-dev curl
 
 WORKDIR /app
 
+# Cache go deps
 COPY go.mod go.sum ./
 RUN go mod download
+
+# ---- templ CLI: install the SAME version as in go.mod ----
+# Read the templ module version from go.mod, then install matching CLI
+RUN set -eux; \
+    TEMPL_VER="$(go list -m -f '{{.Version}}' github.com/a-h/templ)"; \
+    echo "Installing templ CLI @$TEMPL_VER"; \
+    go install "github.com/a-h/templ/cmd/templ@${TEMPL_VER}"
+
+# ---- Tailwind v4 standalone ----
+RUN curl -fsSL -o /usr/local/bin/tailwindcss \
+    "https://github.com/tailwindlabs/tailwindcss/releases/download/${TAILWIND_VERSION}/tailwindcss-linux-x64-musl" \
+    && chmod +x /usr/local/bin/tailwindcss
+
+# App source
 COPY . .
 
-RUN go build -o maot-shortner ./cmd/maot-shortner
+# 1) Generate templ -> .go (now CLI matches module, so parsing works)
+RUN templ generate
 
-FROM alpine:latest
+# 2) Build Tailwind (v4) – no --clean in v4
+RUN mkdir -p ./web/static/css
+RUN tailwindcss -i ./web/resources/css/input.css -o ./web/static/css/output.css --minify
+
+# 3) Build Go binary (CGO for SQLite)
+ENV CGO_ENABLED=1
+RUN go build -ldflags="-s -w" -o /app/maot-shortner ./cmd/maot-shortner
+
+############################
+# Runtime stage
+############################
+FROM alpine:3.20
 
 RUN apk add --no-cache ca-certificates sqlite-libs
 
 WORKDIR /app
 
 COPY --from=builder /app/maot-shortner .
-
 COPY --from=builder /app/web/static ./web/static
 
 RUN mkdir -p /app/data
 
 EXPOSE 3032
 ENV DATABASE_PATH=/app/data/shortener.db
-
 VOLUME ["/app/data"]
 
 CMD ["./maot-shortner"]