Dockerfile

# syntax=docker/dockerfile:1

FROM golang:latest

# Set destination for COPY
WORKDIR /app

# Download Go modules
COPY go.mod go.sum ./
RUN go mod download

# Copy the source code. Note the slash at the end, as explained in
# https://docs.docker.com/reference/dockerfile/#copy
COPY  components /usr/local/go/src/hatchery/components
COPY handlers /usr/local/go/src/hatchery/handlers
COPY models /usr/local/go/src/hatchery/models
COPY main.go ./

# Build
RUN go build -o /docker-gs-ping

# Optional:
# To bind to a TCP port, runtime parameters must be supplied to the docker command.
# But we can document in the Dockerfile what ports
# the application is going to listen on by default.
# https://docs.docker.com/reference/dockerfile/#expose
EXPOSE 8080

# Run
CMD ["/docker-gs-ping"]