Initial commit

Signed-off-by: Thomas Klaehn <thomas.klaehn@perinet.io>

Dockerfile

@@ -0,0 +1,51 @@
+# Build stage
+FROM golang:1.25-alpine AS builder
+
+WORKDIR /app
+
+# Install build dependencies
+RUN apk add --no-cache git ca-certificates tzdata
+
+# Copy go mod files
+COPY go.mod go.sum ./
+RUN go mod download
+
+# Copy source code
+COPY . .
+
+# Build the binary
+RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o zwift-monitor .
+
+# Final stage
+FROM alpine:latest
+
+# Install runtime dependencies
+RUN apk --no-cache add ca-certificates tzdata
+
+WORKDIR /app
+
+# Copy binary from builder
+COPY --from=builder /app/zwift-monitor .
+
+# Create data directory
+RUN mkdir -p /data/activities
+
+# Run as non-root user
+RUN addgroup -S appgroup && adduser -S appuser -G appgroup
+RUN chown -R appuser:appgroup /app /data
+USER appuser
+
+# Set default environment variables
+ENV ZWIFT_OUTPUT_DIR=/data/activities \
+    ZWIFT_STATE_FILE=/data/zwift-state.json \
+    ZWIFT_TOKEN_CACHE=/data/.zwift-token.json \
+    ZWIFT_POLL_INTERVAL=5m \
+    ZWIFT_LOG_LEVEL=info \
+    ZWIFT_RATE_LIMIT=5 \
+    ZWIFT_MAX_RETRIES=3
+
+# Expose volume for data
+VOLUME ["/data"]
+
+# Run the service
+CMD ["/app/zwift-monitor"]