feat: compile templ files in docker build

.gitignore

@@ -40,3 +40,5 @@ atlas.hcl
 .scannerwork
 Backend/logs
 .worktime.txt
+
+*_templ.go

Backend/.dockerignore

@@ -1,2 +1,3 @@
 db
 Dockerfile
+*_templ.go

Backend/Dockerfile

@@ -1,16 +1,24 @@
 # syntax=docker/dockerfile:1
-FROM --platform=$BUILDPLATFORM golang:alpine AS build
+FROM --platform=$BUILDPLATFORM golang:alpine AS base
 ARG TARGETOS
 ARG TARGETARCH
 ENV CGO_ENABLED=0 \
     GOOS=$TARGETOS \
     GOARCH=$TARGETARCH
 
+FROM base AS fetch-stage
 WORKDIR /app
 COPY go.mod go.sum /app/
 RUN go mod download && go mod verify
 
-COPY . .
+FROM ghcr.io/a-h/templ:latest AS generate-stage
+COPY --chown=65532:65532 . /app
+WORKDIR /app
+RUN ["templ", "generate"]
+
+FROM base AS build
+COPY --from=generate-stage /app /app
+WORKDIR /app
 RUN go build -o server .
 
 FROM alpine:3.22