# Use the official Golang image as the base.
FROM golang:1.25-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

# Install Air (live‑reload tool for Go).
ENV PATH="/go/bin:${PATH}"
RUN go install github.com/air-verse/air@latest

# 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 . .

# Use Air to watch source files and run the app.
CMD ["air", "-c", ".air.toml"]