# Use build arguments for Go version and architecture
ARG GO_VERSION=1.22
ARG BUILDARCH=amd64

# Stage 1: Builder Stage
# FROM golang:${GO_VERSION}-alpine AS builder
FROM crazymax/xgo:${GO_VERSION} AS builder

# Set up working directory
WORKDIR /app

# Step 1: Copy the source code
COPY . .

# use --mount=type=cache,target=/go/pkg/mod to cache the go mod
# Step 2: Download dependencies
RUN --mount=type=cache,target=/go/pkg/mod \
    go mod tidy && go mod download

# Step 3: Build the Go application with CGO enabled and specified ldflags
RUN --mount=type=cache,target=/go/pkg/mod \
    CGO_ENABLED=1 GOOS=linux go build -a \
    -ldflags "-s -w --extldflags '-static -fpic'" \
    -installsuffix cgo -o dashboard cmd/dashboard/main.go


# Stage 2: Create the final image
FROM alpine:latest

ARG COUNTRY
# Install required tools without caching index to minimize image size
RUN if [ "$COUNTRY" = "CN" ] ; then \
        echo "It is in China, updating the repositories"; \
        sed -i 's#https\?://dl-cdn.alpinelinux.org/alpine#https://mirrors.tuna.tsinghua.edu.cn/alpine#g' /etc/apk/repositories; \
    fi && \
    apk update && apk add --no-cache tzdata && \
    cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && \
    echo 'Asia/Shanghai' >/etc/timezone && \
    rm -rf /var/cache/apk/* && \
    mkdir -p /dashboard/data


# Copy the entrypoint script and ensure it is executable
COPY ./script/entrypoint.sh /entrypoint.sh

# Set up the entrypoint script
RUN chmod +x /entrypoint.sh 

WORKDIR /dashboard

# Copy the statically linked binary from the builder stage
COPY --from=builder /app/dashboard ./app
# Copy the configuration file and the resource directory
COPY ./script/config.yaml ./data/config.yaml
COPY ./resource ./resource


# Set up volume and expose ports
VOLUME ["/dashboard/data"]
EXPOSE 80 5555 443

# Define the entrypoint
ENTRYPOINT ["/entrypoint.sh"]