# BUILD
FROM golang:1.20.3-alpine AS build

# Update packages and clear cache
RUN apk update && apk add --no-cache curl && rm -rf /var/cache/apk/*
# Set work directory
WORKDIR /app
# Create binary directory
RUN mkdir /app/bin -p
# Create golang migrate util directory
RUN mkdir /bin/golang-migrate -p
# Add migrate tool
ADD ./tools/migrate /bin/golang-migrate/
# Add main files to app
ADD . .
# Download go depences
RUN go mod download
# Build app
RUN GOOS=linux go build -o bin ./...



# TEST
FROM alpine:3.18.3 AS test

# Install packages
RUN apk --no-cache add ca-certificates && rm -rf /var/cache/apk/*
# Set GO111MODULE env
ENV GO111MODULE=off
# Create home directory
WORKDIR /app
# Copy build file
COPY --from=build /app/bin/app ./app
# Copy migration dir
COPY --from=build /app/migrations/test ./migrations
# Install migrate tool
COPY --from=build /bin/golang-migrate /usr/local/bin
# CMD
CMD [ "./app" ]



# PRODUCTION
FROM alpine:3.18.3 AS production

# Install packages
RUN apk --no-cache add ca-certificates && rm -rf /var/cache/apk/*
# Create home directory
WORKDIR /app
# Copy build file
COPY --from=build /app/bin/app ./app
# Install migrate tool
COPY --from=build /bin/golang-migrate /usr/local/bin
# CMD
CMD ["./app"]