57 lines
1.5 KiB
Docker
57 lines
1.5 KiB
Docker
# Multi-stage build for nerd-monitor server
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FROM golang:1.24.4-alpine AS builder
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WORKDIR /app
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# Install build dependencies
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RUN apk add --no-cache git make
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# Copy go mod files
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COPY go.mod go.sum ./
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# Download dependencies
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RUN go mod download
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# Copy source code
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COPY . .
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# Generate templ templates
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RUN go run github.com/a-h/templ/cmd/templ@latest generate
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# Build the server binary
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RUN CGO_ENABLED=0 GOOS=linux go build -ldflags="-w -s" -o nerd-monitor-server ./cmd/server
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# Runtime stage
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FROM alpine:latest
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WORKDIR /app
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# Install ca-certificates for HTTPS
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RUN apk add --no-cache ca-certificates
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# Copy binary from builder
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COPY --from=builder /app/nerd-monitor-server .
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# Create entrypoint script BEFORE switching users
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RUN echo '#!/bin/sh' > /app/entrypoint.sh && \
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echo 'ADDR=${ADDR:-0.0.0.0}' >> /app/entrypoint.sh && \
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echo 'PORT=${PORT:-8080}' >> /app/entrypoint.sh && \
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echo 'USERNAME=${USERNAME:-admin}' >> /app/entrypoint.sh && \
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echo 'PASSWORD=${PASSWORD:-admin}' >> /app/entrypoint.sh && \
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echo 'exec ./nerd-monitor-server -addr "$ADDR" -port "$PORT" -username "$USERNAME" -password "$PASSWORD"' >> /app/entrypoint.sh && \
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chmod +x /app/entrypoint.sh
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# Create non-root user
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RUN addgroup -D appgroup && adduser -D appuser -G appgroup
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USER appuser
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# Expose port
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EXPOSE 8080
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# Health check
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HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
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CMD wget --quiet --tries=1 --spider http://localhost:8080/login || exit 1
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# Run the server
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ENTRYPOINT ["/app/entrypoint.sh"]
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