# ---- Stage 1: Install dependencies ----
FROM oven/bun:1 AS deps

WORKDIR /app

COPY package.json bun.lock ./
RUN bun install --frozen-lockfile --production

# ---- Stage 2: Build ----
FROM oven/bun:1 AS build

WORKDIR /app

# Copy dependency manifests and install all deps (including dev)
COPY package.json bun.lock ./
RUN bun install --frozen-lockfile

# Copy source code and supporting files
COPY src/ src/
COPY generated/ generated/
COPY prisma/ prisma/
COPY public-keys/ public-keys/
COPY prisma.config.ts tsconfig.json ./

# Compile to a standalone executable
RUN bun build src/index.ts \
  --compile \
  --minify \
  --target=bun-linux-x64 \
  --outfile=server

# ---- Stage 3: Production image ----
FROM ubuntu:22.04 AS runtime

WORKDIR /app

# Install minimal runtime dependencies (CA certs for HTTPS calls)
RUN apt-get update && \
    apt-get install -y --no-install-recommends ca-certificates && \
    rm -rf /var/lib/apt/lists/*

# Copy the compiled binary from the build stage
COPY --from=build /app/server ./server

# Copy Prisma artifacts needed at runtime
COPY --from=build /app/generated/ ./generated/
COPY --from=build /app/prisma/ ./prisma/
COPY --from=build /app/prisma.config.ts ./prisma.config.ts
COPY --from=build /app/public-keys/ ./public-keys/

# Copy production node_modules (Prisma adapter needs native bindings)
COPY --from=deps /app/node_modules/ ./node_modules/

ENV NODE_ENV=production
EXPOSE 3000

CMD ["./server"]

# ---- Stage 4: Migration runner ----
FROM oven/bun:1 AS migration

WORKDIR /app

COPY package.json bun.lock ./
RUN bun install --frozen-lockfile

COPY prisma/ prisma/
COPY prisma.config.ts ./

CMD ["bunx", "prisma", "migrate", "deploy"]