############################
# STEP 1 build executable binary
############################
FROM golang:alpine AS builder
# Install git.
# Git is required for fetching the dependencies.
RUN apk update && \
    apk add --no-cache ca-certificates pkgconf git libxml2-dev oniguruma-dev && \
    apk add --virtual build-dependencies build-base gcc wget git && \
    mkdir -p /opt/build
WORKDIR /opt/build
COPY . .
# Fetch dependencies.
# Using go get.
RUN go get -d -v
# Build the binary.
RUN go build -o /go/bin/fbBot .
############################
# STEP 2 build a small image
############################
FROM alpine
VOLUME /opt/tmp
RUN apk update && \
    apk add --no-cache ca-certificates chromium chromium-chromedriver inotify-tools inotify-tools-dev
# Copy our static executable.
COPY --from=builder /go/bin/fbBot /opt/fbBot
COPY contrib/ /
COPY config.yaml /etc/fbBot/config.yaml
# Run the hello binary.
ENTRYPOINT ["/opt/fbBot"]