diff --git a/apps/booterm/Dockerfile b/apps/booterm/Dockerfile
index a82f928..788805a 100644
--- a/apps/booterm/Dockerfile
+++ b/apps/booterm/Dockerfile
@@ -15,28 +15,45 @@ COPY apps/booterm ./apps/booterm
 RUN pnpm --filter=@boocode/booterm build
 
 # ---- Prod-deps stage: hoisted, native built via npm rebuild ----
-FROM node:20-alpine AS proddeps
+# v1.10.2: switched to bookworm-slim (glibc) so node-pty's native .node is
+# compiled against the same libc as the runtime stage. A musl-built .node
+# won't dlopen in a glibc node binary, so both stages must match.
+FROM node:20-bookworm-slim AS proddeps
 ENV COREPACK_DEFAULT_TO_LATEST=0
 RUN corepack enable && corepack prepare pnpm@10.15.1 --activate
-RUN apk add --no-cache python3 make g++
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    python3 make g++ ca-certificates \
+    && rm -rf /var/lib/apt/lists/*
 WORKDIR /prod
 COPY apps/booterm/package.json ./package.json
 RUN pnpm install --prod --config.node-linker=hoisted --config.strict-peer-dependencies=false
 # pnpm 10 ignores build scripts; force compile with npm directly.
-# node-gyp is bundled with npm in the node:20-alpine image.
+# node-gyp is bundled with npm in the node:20-bookworm-slim image.
 RUN cd node_modules/node-pty && npm run install
 # Sanity check — fail the build if the artifact still isn't there
 RUN test -f node_modules/node-pty/build/Release/pty.node && echo "pty.node OK" || (echo "pty.node MISSING" && exit 1)
 
 # ---- Runtime ----
-FROM node:20-alpine AS runtime
-RUN apk add --no-cache tmux libstdc++ bash su-exec shadow
-# v1.10.1: terminal shells inside tmux drop privs to samkintop via su-exec.
+# v1.10.2: switched from node:20-alpine (musl) to node:20-bookworm-slim (glibc)
+# so glibc-linked binaries from /home/samkintop (Claude Code, opencode, the
+# host's nvm node) run inside the container when invoked from the terminal
+# pane. Side-effect: su-exec is alpine-only — Debian replacement is gosu.
+FROM node:20-bookworm-slim AS runtime
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    tmux bash gosu ca-certificates procps \
+    && rm -rf /var/lib/apt/lists/*
 # Mirror uid/gid 1000:1000 from the host so the bind-mounted /home/samkintop
 # (added in docker-compose) is owned by the user from the container's view.
-RUN deluser --remove-home node 2>/dev/null; delgroup node 2>/dev/null; \
-    addgroup -g 1000 samkintop && \
-    adduser -D -u 1000 -G samkintop -s /bin/bash samkintop
+# bookworm-slim ships a `node` user at 1000 — wipe whatever sits on uid/gid
+# 1000 first, then create samkintop fresh.
+RUN if id -u 1000 >/dev/null 2>&1; then \
+        userdel -r "$(id -un 1000)" 2>/dev/null || true; \
+    fi; \
+    if getent group 1000 >/dev/null 2>&1; then \
+        groupdel "$(getent group 1000 | cut -d: -f1)" 2>/dev/null || true; \
+    fi; \
+    groupadd -g 1000 samkintop && \
+    useradd -m -u 1000 -g 1000 -s /bin/bash samkintop
 WORKDIR /app
 COPY --from=builder /build/apps/booterm/dist ./dist
 COPY --from=proddeps /prod/package.json ./package.json
diff --git a/apps/booterm/tmux.conf b/apps/booterm/tmux.conf
index bf8cfd6..34457b9 100644
--- a/apps/booterm/tmux.conf
+++ b/apps/booterm/tmux.conf
@@ -7,7 +7,9 @@ set -g destroy-unattached off
 
 # v1.10.1: shells drop privs to samkintop (uid 1000) so the terminal runs in
 # the user's environment, not root. `env HOME=… USER=…` is required because
-# su-exec only changes uid/gid — it leaves env intact, and tmux server runs
-# as root so HOME would otherwise be /root. bash -l then sources samkintop's
-# ~/.profile / ~/.bashrc to pick up PATH (nvm, ~/.local/bin, ~/.opencode/bin).
-set -g default-command "su-exec samkintop:samkintop env HOME=/home/samkintop USER=samkintop SHELL=/bin/bash bash -l"
+# gosu (and su-exec before it) only changes uid/gid — it leaves env intact,
+# and the tmux server runs as root so HOME would otherwise be /root. bash -l
+# then sources samkintop's ~/.profile / ~/.bashrc to pick up PATH (nvm,
+# ~/.local/bin, ~/.opencode/bin).
+# v1.10.2: su-exec → gosu (alpine → debian; functionally identical).
+set -g default-command "gosu samkintop:samkintop env HOME=/home/samkintop USER=samkintop SHELL=/bin/bash bash -l"