init project template blueprint with websocket

Dockerfile

@@ -1,22 +1,42 @@
-FROM golang:1.23-alpine AS build
-RUN apk add --no-cache curl
+FROM golang:1.23 AS builder
+# Install curl dan Tailwind dependencies
+RUN apt-get update && apt-get install -y curl ca-certificates
 
 WORKDIR /app
 
+# Copy go.mod dan go.sum untuk dependency management
 COPY go.mod go.sum ./
+
 RUN go mod download
 
+# Copy seluruh project
 COPY . .
+
+RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o main ./cmd/api
+
+# Install Tailwind CSS untuk generate output.css
 RUN go install github.com/a-h/templ/cmd/templ@latest && \
     templ generate && \
     curl -sL https://github.com/tailwindlabs/tailwindcss/releases/latest/download/tailwindcss-linux-x64 -o tailwindcss && \
     chmod +x tailwindcss && \
     ./tailwindcss -i cmd/web/assets/css/input.css -o cmd/web/assets/css/output.css
 
-RUN go build -o main cmd/api/main.go
+FROM alpine:latest
 
-FROM alpine:3.20.1 AS prod
-WORKDIR /app
-COPY --from=build /app/main /app/main
-EXPOSE ${PORT}
+# Set timezone ke Asia/Jakarta
+ENV TZ=Asia/Jakarta
+
+# Install dependensi runtime yang diperlukan
+RUN apk --no-cache add ca-certificates tzdata
+
+WORKDIR /root/
+
+# Copy binary yang sudah ter-build dari stage sebelumnya
+COPY --from=builder /app/main .
+COPY --from=builder /app/.env .
+
+# Expose port aplikasi
+EXPOSE 8803
+
+# Jalankan aplikasi
 CMD ["./main"]