Dockerfile

# Use a smaller base image for the build stage
FROM golang:1.20.0-alpine AS builder

# Set the working directory
WORKDIR /workspace

# Copy only the necessary files for dependency resolution
COPY go.mod go.sum ./

# Download dependencies
RUN go mod download

# Copy the entire application source
COPY . .

# Build the Go application with optimizations enabled
RUN CGO_ENABLED=0 GOOS=linux go build -ldflags="-s -w" -tags prod -o /bin/app ./servers/

# Use a smaller base image for the final stage
FROM alpine:3.20

# Set the working directory
WORKDIR /application

# Copy the built binary from the builder stage
COPY --from=builder /bin/app /application/

# Copy the configs folder from the local machine to the image
COPY ./configs/ /application/configs

# Set the entry point for the container
ENTRYPOINT ["/application/app"]