Merge pull request #4 from 0x524A/3-add-container-support

Add Docker support with Dockerfile, .dockerignore, and docker-compose…

Author: 0x524a

.dockerignore

@@ -0,0 +1,57 @@
+# Git
+.git
+.gitignore
+.github
+.gitattributes
+
+# Documentation
+README.md
+*.md
+LICENSE
+docs/
+
+# IDE and Editor
+.vscode
+.idea
+*.swp
+*.swo
+*~
+.DS_Store
+
+# Build artifacts
+bin/
+*.exe
+*.dll
+*.so
+*.dylib
+
+# Test files
+*_test.go
+testdata/
+
+# Logs
+*.log
+*.tmp
+*.pid
+
+# Environment and config (use volumes instead)
+.env
+config.json
+*.local.json
+
+# Docker files
+Dockerfile
+docker-compose.yml
+.dockerignore
+
+# CI/CD
+.github/
+.gitlab-ci.yml
+.circleci/
+
+# Misc
+Makefile
+*.bak
+*.backup
+node_modules/
+vendor/

.github/workflows/go.yml

@@ -17,9 +17,9 @@ jobs:
     - uses: actions/checkout@v4
 
     - name: Set up Go
-      uses: actions/setup-go@v4
+      uses: actions/setup-go@v5
       with:
-        go-version: '1.20'
+        go-version: '1.24'
 
     - name: Build
       run: go build -v ./...

Dockerfile

@@ -0,0 +1,51 @@
+# Use Debian-based builder for better CGO/library compatibility
+FROM golang:1.24-bookworm AS builder
+
+# Install build dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    git \
+    make \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+COPY go.mod go.sum ./
+RUN go mod download
+
+COPY . .
+# Build with all features including GPU support (NVML)
+RUN go build -ldflags '-w -s' -o metricsd cmd/metricsd/main.go
+
+FROM debian:bookworm-slim
+
+# Install runtime dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    ca-certificates \
+    tzdata \
+    wget \
+    && rm -rf /var/lib/apt/lists/*
+
+# Create non-root user
+RUN groupadd -g 1000 metricsd && \
+    useradd -r -u 1000 -g metricsd -s /bin/false metricsd
+
+# Create directories
+RUN mkdir -p /etc/metricsd/certs /var/lib/metricsd
+RUN chown -R metricsd:metricsd /etc/metricsd /var/lib/metricsd
+
+WORKDIR /home/metricsd
+
+# Copy binary
+COPY --from=builder /app/metricsd /usr/local/bin/metricsd
+RUN chmod +x /usr/local/bin/metricsd
+
+# Switch to non-root user
+USER metricsd
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
+    CMD wget --no-verbose --tries=1 --spider http://localhost:8080/health || exit 1
+
+EXPOSE 8080
+
+ENTRYPOINT ["/usr/local/bin/metricsd"]
+CMD ["-config", "/etc/metricsd/config.json"]