46 lines
1.3 KiB
Docker
46 lines
1.3 KiB
Docker
# Multi-stage build for nerd-monitor agent
|
|
FROM golang:1.24.4-alpine AS builder
|
|
|
|
WORKDIR /app
|
|
|
|
# Install build dependencies
|
|
RUN apk add --no-cache git make
|
|
|
|
# Copy go mod files
|
|
COPY go.mod go.sum ./
|
|
|
|
# Download dependencies
|
|
RUN go mod download
|
|
|
|
# Copy source code
|
|
COPY . .
|
|
|
|
# Build the agent binary (no templ needed for agent)
|
|
RUN CGO_ENABLED=0 GOOS=linux go build -ldflags="-w -s" -o nerd-monitor-agent ./cmd/agent
|
|
|
|
# Runtime stage
|
|
FROM alpine:latest
|
|
|
|
WORKDIR /app
|
|
|
|
COPY --from=builder /app/nerd-monitor-agent .
|
|
|
|
# Create entrypoint script BEFORE switching users
|
|
RUN echo '#!/bin/sh' > /app/entrypoint.sh && \
|
|
echo 'SERVER=${SERVER:-localhost:8080}' >> /app/entrypoint.sh && \
|
|
echo 'INTERVAL=${INTERVAL:-15s}' >> /app/entrypoint.sh && \
|
|
echo 'AGENT_ID=${AGENT_ID:-}' >> /app/entrypoint.sh && \
|
|
echo 'if [ -z "$AGENT_ID" ]; then' >> /app/entrypoint.sh && \
|
|
echo ' exec ./nerd-monitor-agent --server "$SERVER" --interval "$INTERVAL"' >> /app/entrypoint.sh && \
|
|
echo 'else' >> /app/entrypoint.sh && \
|
|
echo ' exec ./nerd-monitor-agent --server "$SERVER" --interval "$INTERVAL" --id "$AGENT_ID"' >> /app/entrypoint.sh && \
|
|
echo 'fi' >> /app/entrypoint.sh && \
|
|
chmod +x /app/entrypoint.sh
|
|
|
|
# Create non-root user
|
|
RUN addgroup -g 1000 appgroup && adduser -D -u 1000 -G appgroup appuser
|
|
USER appuser
|
|
|
|
# Run the agent
|
|
ENTRYPOINT ["/app/entrypoint.sh"]
|