feat: lodge server, client and admin

backend/Dockerfile

@@ -0,0 +1,25 @@
+FROM golang:1.27-alpine@sha256:4cb7ac979db5fcc41cae44b2227ba5ab8a51e8807f40d9ba4dee20a0ad960b5b AS build
+
+WORKDIR /src
+
+ENV CGO_ENABLED=0
+
+COPY go.mod go.sum ./
+RUN go mod download
+
+COPY cmd ./cmd
+COPY internal ./internal
+
+RUN go build -trimpath -ldflags "-s -w" -o /out/lodge-server ./cmd/lodge-server
+RUN for target in darwin/arm64 darwin/amd64 linux/arm64 linux/amd64; do \
+		GOOS=${target%/*} GOARCH=${target#*/} go build -trimpath -ldflags "-s -w" -o /out/dl/lodge-${target%/*}-${target#*/} ./cmd/lodge || exit 1; \
+	done
+
+FROM alpine:3.22@sha256:5291449c3df73caf6ed85e649dec1b9e818b39a5d8c871e97afc13e9cd5e8fa8
+
+WORKDIR /app
+
+COPY --from=build /out/lodge-server /usr/local/bin/lodge-server
+COPY --from=build /out/dl ./dl
+
+CMD ["lodge-server"]