Coolify CI/CD testing

Dockerfile

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+# Multi-stage Dockerfile for Nerd Monitor
+# Optimized for Coolify CI/CD pipeline
+# Build stage
+FROM golang:1.23-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 . .
+
+# Generate Templ templates
+RUN go run github.com/a-h/templ/cmd/templ@latest generate
+
+# Build the server
+RUN CGO_ENABLED=1 GOOS=linux GOARCH=amd64 go build -ldflags="-w -s" -o bin/nerd-monitor-server ./cmd/server
+
+# Runtime stage
+FROM alpine:latest
+
+WORKDIR /app
+
+# Install runtime dependencies
+RUN apk add --no-cache ca-certificates tzdata
+
+# Copy binary from builder
+COPY --from=builder /app/bin/nerd-monitor-server /app/nerd-monitor-server
+
+# Create non-root user for security
+RUN addgroup -g 1000 nerdmonitor && adduser -D -u 1000 -G nerdmonitor nerdmonitor
+
+# Change ownership
+RUN chown -R nerdmonitor:nerdmonitor /app
+
+# Switch to non-root user
+USER nerdmonitor
+
+# Expose port
+EXPOSE 8080
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
+    CMD wget --no-verbose --tries=1 --spider http://localhost:8080/login || exit 1
+
+# Default environment variables
+ENV ADDR=0.0.0.0
+ENV PORT=8080
+ENV USERNAME=admin
+ENV PASSWORD=admin
+
+# Run the application
+CMD ["/app/nerd-monitor-server", "-addr", "0.0.0.0", "-port", "8080", "-username", "admin", "-password", "admin"]