Print2Go/Dockerfile at beta · chepo92/Print2Go

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# Stage 1: Build the Go application

FROM golang:1.22-alpine AS builder

# Set the working directory inside the container

WORKDIR /app

# Copy go.mod and go.sum files to leverage Docker's layer caching

COPY go.mod go.sum ./

# Download Go modules

RUN go mod download

# Copy the rest of the application source code

COPY . .

# Build the Go application

# CGO_ENABLED=0 disables CGO, creating a statically linked binary

# GOOS=linux ensures the binary is built for a Linux environment

# -o specifies the output file name

RUN CGO_ENABLED=0 GOOS=linux go build -o PrintAndGo .

# Stage 2: Create the final, minimal image

FROM alpine:latest

# Set the working directory in the final image

WORKDIR /app

# Install necessary runtime dependencies (e.g., CA certificates for HTTPS)

RUN apk --no-cache add ca-certificates tzdata

# Copy the built binary from the builder stage

COPY --from=builder /app/PrintAndGo .

# Expose the port your application listens on (if applicable)

EXPOSE 5001

# Set the entrypoint command to run the application

#CMD ["/app/myapp "]

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