m8e/Dockerfile.workflow-runner at main · phildougherty/m8e · GitHub

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# Standard Workflow Runner - Contains all common tools for workflow execution
FROM alpine:latest

# Install common tools needed for workflow execution
RUN apk add --no-cache \
    bash \
    curl \
    wget \
    jq \
    git \
    python3 \
    py3-pip \
    nodejs \
    npm \
    postgresql-client \
    mysql-client \
    redis \
    openssh-client \
    rsync \
    tar \
    gzip \
    unzip \
    ca-certificates \
    tzdata

# Install common Python packages using Alpine packages where available
RUN apk add --no-cache \
    py3-requests \
    py3-yaml

# Install additional packages that aren't available as Alpine packages
RUN pip3 install --no-cache-dir --break-system-packages \
    psycopg2-binary \
    pymongo \
    redis

# Create MCP proxy helper function
RUN echo 'mcp_call() {' > /usr/local/bin/mcp-helper && \
    echo '    local server="$1"' >> /usr/local/bin/mcp-helper && \
    echo '    local tool="$2"' >> /usr/local/bin/mcp-helper && \
    echo '    local args="$3"' >> /usr/local/bin/mcp-helper && \
    echo '    local proxy_url="${MCP_PROXY_URL:-http://matey-proxy.matey.svc.cluster.local:9876}"' >> /usr/local/bin/mcp-helper && \
    echo '    local api_key="${MCP_PROXY_API_KEY:-myapikey}"' >> /usr/local/bin/mcp-helper && \
    echo '    curl -s -X POST "$proxy_url/server/$server" \' >> /usr/local/bin/mcp-helper && \
    echo '        -H "Content-Type: application/json" \' >> /usr/local/bin/mcp-helper && \
    echo '        -H "Authorization: Bearer $api_key" \' >> /usr/local/bin/mcp-helper && \
    echo '        -d "{\"method\":\"tools/call\",\"params\":{\"name\":\"$tool\",\"arguments\":$args}}"' >> /usr/local/bin/mcp-helper && \
    echo '}' >> /usr/local/bin/mcp-helper && \
    chmod +x /usr/local/bin/mcp-helper

# Create the workflow runner script directly in the Dockerfile
RUN echo '#!/bin/bash' > /usr/local/bin/workflow-runner && \
    echo 'set -e' >> /usr/local/bin/workflow-runner && \
    echo '' >> /usr/local/bin/workflow-runner && \
    echo '# Source MCP helper functions' >> /usr/local/bin/workflow-runner && \
    echo 'source /usr/local/bin/mcp-helper' >> /usr/local/bin/workflow-runner && \
    echo '' >> /usr/local/bin/workflow-runner && \
    echo 'echo "=== Workflow Runner Starting ==="' >> /usr/local/bin/workflow-runner && \
    echo 'echo "Workflow: ${WORKFLOW_NAME:-unknown}"' >> /usr/local/bin/workflow-runner && \
    echo 'echo "Execution ID: ${WORKFLOW_EXECUTION_ID:-unknown}"' >> /usr/local/bin/workflow-runner && \
    echo 'echo "Steps: ${WORKFLOW_STEPS:-1}"' >> /usr/local/bin/workflow-runner && \
    echo 'echo "MCP Proxy: ${MCP_PROXY_URL:-http://matey-proxy.matey.svc.cluster.local:9876}"' >> /usr/local/bin/workflow-runner && \
    echo 'echo "=== Executing Workflow Script ==="' >> /usr/local/bin/workflow-runner && \
    echo 'echo' >> /usr/local/bin/workflow-runner && \
    echo '' >> /usr/local/bin/workflow-runner && \
    echo '# Execute the workflow script passed as argument' >> /usr/local/bin/workflow-runner && \
    echo 'if [ -n "$1" ]; then' >> /usr/local/bin/workflow-runner && \
    echo '    echo "$1" | bash' >> /usr/local/bin/workflow-runner && \
    echo 'else' >> /usr/local/bin/workflow-runner && \
    echo '    echo "No workflow script provided"' >> /usr/local/bin/workflow-runner && \
    echo '    exit 1' >> /usr/local/bin/workflow-runner && \
    echo 'fi' >> /usr/local/bin/workflow-runner && \
    echo '' >> /usr/local/bin/workflow-runner && \
    echo 'echo' >> /usr/local/bin/workflow-runner && \
    echo 'echo "=== Workflow Completed Successfully ==="' >> /usr/local/bin/workflow-runner && \
    chmod +x /usr/local/bin/workflow-runner

# Set the entrypoint
ENTRYPOINT ["/usr/local/bin/workflow-runner"]