# syntax=docker/dockerfile:1
FROM scratch AS gomodcache

FROM --platform=$BUILDPLATFORM golang:1.25-alpine AS build

WORKDIR /src
COPY go.mod go.sum ./
RUN --mount=type=cache,target=/go/pkg/mod \
    --mount=type=bind,from=gomodcache,target=/tmp/gomodcache \
    set -eux; \
    if [ -d /tmp/gomodcache/cache/download ]; then \
      cp -a /tmp/gomodcache/. /go/pkg/mod/; \
    fi; \
    go mod download

COPY . .
ARG TARGETARCH
ARG COMMIT_HASH=unknown
RUN --mount=type=cache,target=/go/pkg/mod \
    --mount=type=cache,target=/root/.cache/go-build \
    CGO_ENABLED=0 GOOS=linux GOARCH=${TARGETARCH:-amd64} \
    go build -trimpath -ldflags "-s -w -X github.com/memohai/memoh/internal/version.CommitHash=${COMMIT_HASH}" -o /out/mcp ./cmd/mcp

FROM alpine:latest

# Base utilities
RUN apk add --no-cache grep curl bash

# Node.js + npm (provides npx for JS/TS MCP servers)
RUN apk add --no-cache nodejs npm

# Python 3 + uv (provides uvx for Python MCP servers)
RUN apk add --no-cache python3 && \
    curl -LsSf https://astral.sh/uv/install.sh | sh && \
    ln -sf /root/.local/bin/uv /usr/local/bin/uv && \
    ln -sf /root/.local/bin/uvx /usr/local/bin/uvx

WORKDIR /app
COPY --from=build /out/mcp /opt/mcp
COPY cmd/mcp/template /opt/mcp-template
COPY cmd/mcp/entrypoint.sh /opt/entrypoint.sh
RUN chmod +x /opt/entrypoint.sh
ENTRYPOINT ["/opt/entrypoint.sh"]