FROM golang:1.20.5-alpine

# Set the Current Working Directory inside the container
WORKDIR /app

# Copy go mod and sum files
COPY go.mod go.sum ./
RUN go mod download

# Copy the source from the current directory to the Working Directory inside the container
COPY *.go ./
COPY .. .

# Build the Go app
RUN CGO_ENABLED=0 GOOS=linux go build -o /htwkalender

# Expose port 8080 to the outside world
EXPOSE 8080