# Use the official Golang image as the base.
FROM golang:1.22-alpine AS base

# Install git (required by go modules) and any other utilities.
RUN apk add --no-cache git





# Set the working directory inside the container.
WORKDIR /app

# Cache go.mod and go.sum to speed up dependency installation.
COPY go.mod go.sum ./
RUN go mod download

# Copy the rest of the source code.
COPY . .
# Build the binary after copying the source files.
RUN go build -o /app/tmp/main ./cmd/app

# The container will start Air, which watches the source files and rebuilds the app on change.
CMD ["./tmp/main"]