Redesign UI and add first-party Docker runtime support

Dockerfile

@@ -0,0 +1,42 @@
+# syntax=docker/dockerfile:1.7
+
+FROM --platform=$BUILDPLATFORM golang:1.22-alpine AS builder
+WORKDIR /src
+
+RUN apk add --no-cache ca-certificates tzdata
+
+COPY go.mod go.sum ./
+RUN go mod download
+
+COPY . .
+
+ARG TARGETOS
+ARG TARGETARCH
+RUN CGO_ENABLED=0 GOOS=$TARGETOS GOARCH=$TARGETARCH \
+  go build -trimpath -ldflags='-s -w' -o /out/xteve ./xteve.go
+
+FROM alpine:3.20
+
+RUN apk add --no-cache ca-certificates tzdata \
+  && addgroup -S xteve \
+  && adduser -S -G xteve xteve \
+  && mkdir -p /xteve/config \
+  && chown -R xteve:xteve /xteve
+
+WORKDIR /xteve
+
+COPY --from=builder /out/xteve /usr/local/bin/xteve
+COPY docker/entrypoint.sh /usr/local/bin/docker-entrypoint.sh
+
+USER xteve
+
+EXPOSE 34400/tcp
+VOLUME ["/xteve/config"]
+
+ENV XTEVE_CONFIG=/xteve/config
+ENV XTEVE_PORT=34400
+
+HEALTHCHECK --interval=30s --timeout=5s --start-period=30s --retries=3 \
+  CMD wget -qO- "http://127.0.0.1:${XTEVE_PORT}/lineup_status.json" > /dev/null || exit 1
+
+ENTRYPOINT ["/usr/local/bin/docker-entrypoint.sh"]