# Copyright 2021 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.

# This Dockerfile expects the build context to be the public repo root.

################################################################
FROM golang:1.16.7 AS builder
# If you change the Go version above, change the FROM line below as well.

# Set the working directory outside $GOPATH to ensure module mode is enabled.
WORKDIR /src

# Copy go.mod and go.sum into the container.
# If they don't change, which is the common case, then docker can
# cache this COPY and the subsequent RUN.
COPY go.mod go.sum all.bash /

# Download the dependencies.
RUN go mod download

# Copy the pkgsite repo from local machine into Docker client’s current working
# directory, so that we can use it to build the frontend.
# See .dockerignore at the repo root for excluded files.
COPY . /src

# Build the frontend.
RUN go build -mod=readonly ./cmd/frontend

################################################################
FROM golang:1.16.7

WORKDIR app

COPY --from=builder src/frontend      frontend
COPY static                           static
COPY third_party                      third_party