chat_room/backend/Dockerfile

# ---- مرحله‌ی build ----
FROM golang:1.25-alpine AS builder
WORKDIR /app

RUN sed -i 's|dl-cdn.alpinelinux.org|mirror.mobinhost.com|g' /etc/apk/repositories

COPY go.mod go.sum ./
RUN go mod download

COPY . .
RUN CGO_ENABLED=0 GOOS=linux go build -ldflags="-s -w" -o /out/server ./cmd/api

# ---- مرحله‌ی اجرا (ایمیج نهایی سبک) ----
FROM alpine:3.20

RUN sed -i 's|dl-cdn.alpinelinux.org|mirror.mobinhost.com|g' /etc/apk/repositories \
    && apk add --no-cache ca-certificates tzdata

WORKDIR /app

COPY --from=builder /out/server ./server
RUN chmod +x /app/server

RUN mkdir -p /app/uploads/photos

EXPOSE 8080
ENTRYPOINT ["./server"]