Dockerfile.dev

# Development Dockerfile - optimized for fast rebuilds
# Skips goose installation since migrations run locally
FROM golang:1.24-alpine AS builder

ARG VERSION=dev

WORKDIR /app

# Install minimal build dependencies
RUN apk add --no-cache git

# Copy go mod files for caching
COPY go.mod go.sum ./

# Download dependencies with cache mount
RUN --mount=type=cache,target=/go/pkg/mod \
    --mount=type=cache,target=/root/.cache/go-build \
    go mod download

# Copy source code
COPY . .

# Build with cache mounts
RUN --mount=type=cache,target=/go/pkg/mod \
    --mount=type=cache,target=/root/.cache/go-build \
    CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build \
    -ldflags="-w -s -X main.version=${VERSION}" \
    -o brandishbot ./cmd/app

# Runtime stage
FROM alpine:3.19

ARG VERSION=dev

LABEL org.opencontainers.image.title="BrandishBot-Dev"
LABEL org.opencontainers.image.version="${VERSION}"

WORKDIR /app

# Minimal runtime dependencies (no postgresql-client needed for dev)
RUN apk add --no-cache ca-certificates tzdata && \
    addgroup -g 1000 appuser && \
    adduser -D -u 1000 -G appuser appuser && \
    chown -R appuser:appuser /app

# Copy only the binary (no migrations, no goose)
COPY --from=builder --chown=appuser:appuser /app/brandishbot .
COPY --chown=appuser:appuser configs ./configs

USER appuser

EXPOSE 8080

HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
    CMD wget --no-verbose --tries=1 --spider http://localhost:8080/healthz || exit 1

# Direct start - no entrypoint script needed for dev
CMD ["./brandishbot"]