New rewrite with svelte and pocketbase

Dockerfile

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+FROM golang:1.24.1 AS gobuild
+WORKDIR /usr/src/app
+
+# Download Go modules
+COPY backend/go.mod backend/go.sum .
+RUN go mod download
+
+# Copy the source code. Note the slash at the end, as explained in
+# https://docs.docker.com/engine/reference/builder/#copy
+COPY backend/*.go ./
+
+# Build
+RUN CGO_ENABLED=0 GOOS=linux go build -o custom_pocketbase
+
+FROM oven/bun:latest AS base
+WORKDIR /usr/src/app
+
+# install dependencies into temp directory
+# this will cache them and speed up future builds
+FROM base AS install
+RUN mkdir -p /temp/dev
+COPY frontend/package.json frontend/bun.lock /temp/dev/
+RUN cd /temp/dev && bun install --frozen-lockfile
+
+# copy node_modules from temp directory
+# then copy all (non-ignored) project files into the image
+FROM base AS prerelease
+COPY --from=install /temp/dev/node_modules node_modules
+COPY frontend .
+
+# [optional] tests & build
+ENV NODE_ENV=production
+RUN bun run build
+
+# copy production dependencies and source code into final image
+FROM oven/bun:alpine AS release
+WORKDIR /usr/src/app
+
+ENV GO_ENV=production
+COPY start_server.sh .
+COPY --from=prerelease /usr/src/app/build .
+COPY --from=gobuild /usr/src/app/custom_pocketbase .
+COPY backend/pb_migrations ./pb_migrations
+
+# run the app
+EXPOSE 8090
+ENTRYPOINT [ "./start_server.sh" ]