Initila commit

Dockerfile

@@ -0,0 +1,25 @@
+FROM golang:1.22-alpine AS build
+
+WORKDIR /build
+COPY go.mod go.sum ./
+RUN go mod download
+COPY . .
+RUN CGO_ENABLED=0 go build -trimpath -ldflags="-s -w" -o shelly-exporter .
+
+FROM alpine:3.20
+
+RUN apk add --no-cache ca-certificates \
+    && addgroup -S exporter \
+    && adduser -S -G exporter exporter
+
+WORKDIR /opt/shelly-exporter
+COPY --from=build /build/shelly-exporter ./shelly-exporter
+COPY config.example.yaml ./config.yaml
+
+USER exporter
+EXPOSE 9090
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s \
+    CMD wget -q -O - http://127.0.0.1:9090/-/healthy || exit 1
+
+ENTRYPOINT ["./shelly-exporter"]
+CMD ["-config", "config.yaml"]