chore(release): 2.6.0 [skip ci]

The jdtls GitHub repo has no release assets and the Eclipse milestones
directory listing is JS-rendered. Use snapshots/latest.txt which provides
a reliable tarball filename for automated downloads.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.github/workflows/build-and-push.yaml

@@ -56,5 +56,7 @@ jobs:
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
-          no-cache: true
+          build-args: CACHE_BUST=${{ github.sha }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
           platforms: linux/amd64

.github/workflows/release-unified.yaml

@@ -96,7 +96,9 @@ jobs:
         with:
           context: .
           push: true
-          no-cache: true
+          build-args: CACHE_BUST=${{ github.sha }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
           tags: |
             ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.version.outputs.tag }}
             ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.version.outputs.version }}

CLAUDE.md

@@ -70,7 +70,7 @@ Container start
 
 | File | Purpose |
 |------|---------|
-| `Dockerfile` | Image definition — installs Chrome, VSCode, Helm, gh CLI, kubeseal, Claude Code, OpenCode, Crush; creates non-root user (UID 1000) |
+| `Dockerfile` | Image definition — installs Chrome, VSCode, Helm, gh CLI, kubeseal, Claude Code, OpenCode, Crush, LSP servers (pyright, typescript-language-server, gopls, clangd, rust-analyzer, lua-language-server, jdtls, kotlin-language-server, intelephense); creates non-root user (UID 1000) |
 | `scripts/init-repo.sh` | Configures git credentials, clones GitHub repo(s), generates multi-root workspace file |
 | `scripts/startapp.sh` | Calls init-repo.sh then opens VSCode in the workspace |
 | `chart/` | Helm chart for Kubernetes deployment |

Dockerfile

@@ -1,5 +1,8 @@
 FROM jlesage/baseimage-gui:ubuntu-22.04-v4
 
+# Bust cache for all layers below (base image pull is still cached)
+ARG CACHE_BUST
+
 # Set environment variables
 ENV APP_NAME="Dev Container" \
     KEEP_APP_RUNNING=1 \
@@ -56,6 +59,13 @@ exec /usr/bin/google-chrome-stable \\\n\
   "$@"\n' > /usr/local/bin/google-chrome && \
     chmod +x /usr/local/bin/google-chrome
 
+# Install Node.js LTS via NodeSource
+ARG NODE_MAJOR=22
+RUN curl -fsSL https://deb.nodesource.com/setup_${NODE_MAJOR}.x | bash - && \
+    apt-get install -y nodejs && \
+    rm -rf /var/lib/apt/lists/* && \
+    node --version && npm --version
+
 # Install Claude Code native binary (npm wrapper breaks remote control)
 RUN curl -fsSL https://claude.ai/install.sh | bash && \
     cp /root/.local/bin/claude /usr/local/bin/claude && \
@@ -107,6 +117,56 @@ RUN KUBESEAL_VERSION=$(curl -sL https://api.github.com/repos/bitnami-labs/sealed
     tar -xz -C /usr/local/bin kubeseal && \
     chmod +x /usr/local/bin/kubeseal
 
+# ── LSP servers for Claude Code language intelligence ──
+
+# npm-based LSP servers: Python (pyright), TypeScript/JavaScript, PHP
+RUN npm install -g pyright typescript-language-server typescript intelephense
+
+# Install Go runtime and gopls LSP server
+ARG GO_VERSION=1.23.6
+RUN curl -fsSL "https://go.dev/dl/go${GO_VERSION}.linux-amd64.tar.gz" | tar -xz -C /usr/local && \
+    /usr/local/go/bin/go install golang.org/x/tools/gopls@latest && \
+    mv /root/go/bin/gopls /usr/local/bin/gopls && \
+    rm -rf /root/go
+ENV PATH="/usr/local/go/bin:${PATH}"
+
+# Install clangd LSP server (C/C++)
+RUN apt-get update && \
+    apt-get install -y clangd && \
+    rm -rf /var/lib/apt/lists/*
+
+# Install rust-analyzer LSP server (Rust) — standalone binary, no full toolchain needed
+RUN RUST_ANALYZER_VERSION=$(curl -sL https://api.github.com/repos/rust-lang/rust-analyzer/releases/latest | jq -r '.tag_name') && \
+    curl -fsSL "https://github.com/rust-lang/rust-analyzer/releases/download/${RUST_ANALYZER_VERSION}/rust-analyzer-x86_64-unknown-linux-gnu.gz" | \
+    gunzip > /usr/local/bin/rust-analyzer && \
+    chmod +x /usr/local/bin/rust-analyzer
+
+# Install lua-language-server (Lua)
+RUN LUA_LS_VERSION=$(curl -sL https://api.github.com/repos/LuaLS/lua-language-server/releases/latest | jq -r '.tag_name') && \
+    mkdir -p /opt/lua-language-server && \
+    curl -fsSL "https://github.com/LuaLS/lua-language-server/releases/download/${LUA_LS_VERSION}/lua-language-server-${LUA_LS_VERSION}-linux-x64.tar.gz" | \
+    tar -xz -C /opt/lua-language-server && \
+    ln -s /opt/lua-language-server/bin/lua-language-server /usr/local/bin/lua-language-server
+
+# Install JDK for Java/Kotlin LSP servers
+RUN apt-get update && \
+    apt-get install -y openjdk-17-jdk-headless && \
+    rm -rf /var/lib/apt/lists/*
+
+# Install kotlin-language-server
+RUN KLS_VERSION=$(curl -sL https://api.github.com/repos/fwcd/kotlin-language-server/releases/latest | jq -r '.tag_name') && \
+    curl -fsSL "https://github.com/fwcd/kotlin-language-server/releases/download/${KLS_VERSION}/server.zip" -o /tmp/kls.zip && \
+    unzip -o /tmp/kls.zip -d /opt/kotlin-language-server && \
+    ln -s /opt/kotlin-language-server/server/bin/kotlin-language-server /usr/local/bin/kotlin-language-server && \
+    rm /tmp/kls.zip
+
+# Install jdtls (Java LSP) — Eclipse JDT Language Server
+RUN JDTLS_TARBALL=$(curl -sL https://download.eclipse.org/jdtls/snapshots/latest.txt) && \
+    mkdir -p /opt/jdtls && \
+    curl -fsSL "https://download.eclipse.org/jdtls/snapshots/${JDTLS_TARBALL}" | tar -xz -C /opt/jdtls && \
+    printf '#!/bin/bash\nexec java -Declipse.application=org.eclipse.jdt.ls.core.id1 -Dosgi.bundles.defaultStartLevel=4 -Declipse.product=org.eclipse.jdt.ls.core.product -jar /opt/jdtls/plugins/org.eclipse.equinox.launcher_*.jar -configuration /opt/jdtls/config_linux "$@"\n' > /usr/local/bin/jdtls && \
+    chmod +x /usr/local/bin/jdtls
+
 # Install VSCode (using Microsoft's current recommended setup)
 RUN wget -qO- https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor > /tmp/microsoft.gpg && \
     install -D -o root -g root -m 644 /tmp/microsoft.gpg /usr/share/keyrings/microsoft.gpg && \

chart/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: devcontainer
 description: Dev Container with AI coding agents and MCP sidecars
 type: application
-version: 2.4.0
+version: 2.6.0
 appVersion: "latest"
 keywords:
   - development