Fix Dockerfile: Run build from correct directory with better error handling

Dockerfile

@@ -19,6 +19,7 @@ RUN apt-get update \
         unzip \
         build-essential \
         python3 \
+        cmake \
     && rm -rf /var/lib/apt/lists/*
 
 # Install Node.js (required for some dependencies)
@@ -40,10 +41,11 @@ RUN git config --global url."https://github.com/".insteadOf "ssh://git@github.co
 
 # Install dependencies at root level first (for workspaces)
 ENV HUSKY=0
-RUN bun install 2>&1 || (echo "Retrying bun install..." && bun install --force 2>&1)
+RUN bun install 2>&1
 
-# Build OpenCode CLI
-RUN cd packages/opencode && bun run ./script/build.ts --single 2>&1
+# Build OpenCode CLI - run from root directory where package.json is
+WORKDIR /opt/opencode-src
+RUN cd packages/opencode && bun run script/build.ts --single 2>&1 || (echo "Build failed, checking logs..." && cat /tmp/build.log 2>/dev/null || echo "No log file" && exit 1)
 
 # Final stage
 FROM ubuntu:24.04