# Build stage
FROM rust:1.84-alpine AS builder

RUN apk add --no-cache musl-dev pkgconfig openssl-dev

WORKDIR /app

# Copy manifests
COPY Cargo.toml Cargo.lock ./
COPY migration/Cargo.toml ./migration/

# Create dummy files to build dependencies
RUN mkdir src && echo "fn main() {}" > src/main.rs
RUN mkdir -p migration/src && echo "fn main() {}" > migration/src/main.rs && echo "" > migration/src/lib.rs

# Build dependencies only
RUN cargo build --release

# Remove dummy files
RUN rm -rf src migration/src

# Copy actual source code
COPY src ./src
COPY migration/src ./migration/src

# Build the actual application
RUN touch src/main.rs migration/src/main.rs migration/src/lib.rs
RUN cargo build --release

# Runtime stage
FROM alpine:3.21

RUN apk add --no-cache ca-certificates libgcc

WORKDIR /app

# Copy the binary from builder
COPY --from=builder /app/target/release/backend_rust /app/backend_rust
COPY --from=builder /app/target/release/migration /app/migration

# Create uploads directory
RUN mkdir -p /app/uploads/avatars

EXPOSE 4000

CMD ["/app/backend_rust"]