Refactor Dockerfile to use custom base image and Alpine

Author: mudler

opencode/Dockerfile

@@ -14,45 +14,20 @@ COPY opencode/ ./opencode/
 RUN CGO_ENABLED=0 GOOS=linux go build -o opencode-mcp-server ./opencode/
 
 # Final stage - use Debian instead of Alpine for glibc compatibility
-FROM debian:bookworm-slim
+FROM ghcr.io/anomalyco/opencode
 
 # Install required runtime dependencies
-RUN apt-get update && apt-get install -y --no-install-recommends \
-    ca-certificates \
-    curl \
-    bash \
-    wget \
-    git \
-    && rm -rf /var/lib/apt/lists/*
-
-RUN curl -fsSL https://opencode.ai/install | bash
-
-RUN ln -s /root/.opencode/bin/opencode /usr/bin/opencode
+RUN apk add git curl bash
 
 # Install GitHub CLI
-RUN (type -p wget >/dev/null || (apt-get update && apt-get install wget -y)) \
-    && mkdir -p -m 755 /etc/apt/keyrings \
-    && out=$(mktemp) && wget -nv -O$out https://cli.github.com/packages/githubcli-archive-keyring.gpg \
-    && cat $out | tee /etc/apt/keyrings/githubcli-archive-keyring.gpg > /dev/null \
-    && chmod go+r /etc/apt/keyrings/githubcli-archive-keyring.gpg \
-    && mkdir -p -m 755 /etc/apt/sources.list.d \
-    && echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/githubcli-archive-keyring.gpg] https://cli.github.com/packages stable main" | tee /etc/apt/sources.list.d/github-cli.list > /dev/null \
-    && apt-get update \
-    && apt-get install gh -y \
-    && rm -rf /var/lib/apt/lists/*
+RUN echo "@community http://dl-cdn.alpinelinux.org/alpine/edge/community" >> /etc/apk/repositories && apk add github-cli@community
 
 # Copy the MCP server binary
 COPY --from=builder /app/opencode-mcp-server /usr/local/bin/opencode-mcp-server
 
-# Verify opencode binary is properly installed
-RUN which opencode && opencode --version || echo "Warning: opencode may not be properly installed"
-
-# Create session directory
-RUN mkdir -p /tmp/opencode-sessions
-
 # Set environment variables
-ENV OPENCODE_SESSION_DIR=/tmp/opencode-sessions
-ENV OPENCODE_BINARY=/usr/bin/opencode
+ENV OPENCODE_SESSION_DIR=/root
+ENV OPENCODE_BINARY=/usr/local/bin/opencode
 ENV OPENCODE_MAX_SESSIONS=10
 ENV OPENCODE_LOG_RETENTION_HOURS=24
 ENV OPENCODE_FORMAT=json