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Add MemPalace local-first AI memory system to base image

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Install mempalace via pip in the Dockerfile. Provides 29 MCP tools
for semantic search over conversation history, knowledge graph
queries, agent diaries, and wing/room/drawer management. Everything
runs locally — no API keys, no data egress.

Integration:
- Dockerfile: pip install mempalace (with --break-system-packages
  for Debian trixie PEP 668 compliance)
- entrypoint-user.sh: auto-initializes palace for /workspace on
  first run (idempotent, skips if palace exists)
- entrypoint.sh: adds ~/.mempalace to the volume ownership-fix loop
- docker-compose.yml + shared: optional devbox-palace named volume
  at ~/.mempalace (commented out by default — user opts in)

Users configure MCP integration by adding a mempalace server entry
to their opencode.json. No wrapper plugin needed — the upstream
Python MCP server is used directly.

Docs updated: README.md (new MemPalace section with setup, MCP
config, usage examples, storage details), DOCKER_HUB.md (data
storage table + tools list), CHANGELOG.md (unreleased entry).
This commit is contained in:
Joakim Persson
2026-04-27 19:25:38 +02:00
parent 45d7e02faf
commit b9c08c3dbb
8 changed files with 90 additions and 2 deletions
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DOCKER_HUB.md
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@@ -230,6 +230,7 @@ Understanding what survives container restarts and what doesn't:
| `/home/developer/.cache/bash` | Named volume `devbox-shell-history` | ✅ Yes — Docker volume | Bash history (`$HISTFILE`) — survives container recreate |
| `/home/developer/.local/share/zoxide` | Named volume `devbox-zoxide` | ✅ Yes — Docker volume | Zoxide directory history (`z <fragment>` jump targets) |
| `/home/developer/.local/share/nvim` | Named volume `devbox-nvim-data` | ✅ Yes — Docker volume | Neovim plugins, Mason LSP installs, Lazy plugin cache |
| `/home/developer/.mempalace` | Named volume `devbox-palace` (if configured) | ✅ Yes — Docker volume | MemPalace conversation memory, knowledge graph, embeddings |
| `/home/developer/.local/share/uv` | Named volume (if configured) | ✅ Yes — Docker volume | Python installs, uv tool installs |
| `/home/developer/.rustup` | Named volume (if configured) | ✅ Yes — Docker volume | Rust toolchains |
| `/home/developer/.cargo` | Named volume (if configured) | ✅ Yes — Docker volume | Cargo binaries, registry cache |
@@ -488,7 +489,7 @@ To override with your host's own files, uncomment the matching bind-mount lines
- **opencode** — AI coding assistant
- **Node.js 22** — for npx-based MCP servers
- **AWS CLI v2** — SSO and Bedrock authentication
- **Dev tools** — git, git-lfs, git-crypt, age, ssh, ripgrep, fd, fzf, bat, eza, zoxide, uv, rustup, jq, make, gcc, g++, curl, wget, neovim 0.12, tmux, htop, tree, rsync
- **Dev tools** — git, git-lfs, git-crypt, age, ssh, ripgrep, fd, fzf, bat, eza, zoxide, uv, rustup, mempalace, jq, make, gcc, g++, curl, wget, neovim 0.12, tmux, htop, tree, rsync
- **Non-root user** — runs as `developer` with UID auto-matched to workspace owner (sudo available)
### OMOS image (`latest-omos`)