feat(platform): 开源发布 - 初始化 Open AI Canvas

backend/Dockerfile

@@ -0,0 +1,35 @@
+# syntax=docker/dockerfile:1.7
+
+FROM golang:1.25-alpine AS backend-build
+
+ARG GOPROXY=https://proxy.golang.org,direct
+ENV GOPROXY=$GOPROXY
+
+RUN apk add --no-cache build-base
+
+WORKDIR /src/backend
+COPY backend/go.mod backend/go.sum ./
+RUN --mount=type=cache,target=/go/pkg/mod go mod download
+COPY backend ./
+RUN --mount=type=cache,target=/root/.cache/go-build CGO_ENABLED=1 GOOS=linux go build -trimpath -ldflags="-s -w" -o /out/infinite-canvas-backend ./cmd/server \
+    && CGO_ENABLED=1 GOOS=linux go build -trimpath -ldflags="-s -w" -o /out/migrate-sqlite-postgres ./cmd/migrate-sqlite-postgres
+
+FROM alpine:3.22
+
+RUN apk add --no-cache ca-certificates tzdata wget \
+    && addgroup -S app \
+    && adduser -S app -G app
+
+WORKDIR /app
+ENV GIN_MODE=release
+ENV CANVAS_BACKEND_ADDR=:8080
+ENV CANVAS_BACKEND_DATA_DIR=/data
+
+RUN mkdir -p /data && chown -R app:app /data
+COPY --from=backend-build /out/infinite-canvas-backend /usr/local/bin/infinite-canvas-backend
+COPY --from=backend-build /out/migrate-sqlite-postgres /usr/local/bin/migrate-sqlite-postgres
+
+USER app
+EXPOSE 8080
+HEALTHCHECK --interval=30s --timeout=3s --start-period=10s --retries=3 CMD wget -qO- http://127.0.0.1:8080/api/health >/dev/null || exit 1
+CMD ["infinite-canvas-backend"]