photum/backend/Dockerfile
2025-12-09 17:22:47 -03:00

36 lines
895 B
Docker

# Build stage
FROM golang:1.24-alpine AS builder
WORKDIR /app
# Install build dependencies if needed (e.g., for CGO, though we disable it)
RUN apk add --no-cache git
# Copy go mod and sum files
COPY go.mod go.sum ./
# Download all dependencies. Dependencies will be cached if the go.mod and go.sum files are not changed
RUN go mod download
# Copy the source from the current directory to the Working Directory inside the container
COPY . .
# Build the Go app
RUN CGO_ENABLED=0 GOOS=linux go build -o api cmd/api/main.go
# Start a new stage from scratch
FROM alpine:latest
WORKDIR /app
# Install ca-certificates (useful for making HTTPS requests)
RUN apk --no-cache add ca-certificates
# Copy the Pre-built binary file from the previous stage
COPY --from=builder /app/api .
# Expose port (default 8080, but can be overridden)
EXPOSE 8080
# Command to run the executable
CMD ["./api"]