Is it possible to add pgvector extension on top of postgres:15.3-alpine images
Shows how to fix is it possible to add pgvector extension on top of postgres:15.3-alpine images. Use it when you hit this exact problem. Skip it when your error message or symptom looks different.
TL;DR
This extension of the Alpine docker image worked for me: $ cat Dockerfile FROM postgres:16-alpine AS pgvector-builder RUN apk add git RUN apk add build-base RUN apk add clang RUN apk add llvm-dev WORKDIR /build RUN git clone --branch v0.8.0 https://github.com/pgvector/pgvector.git WORKDIR /build/pgvector RUN make RUN make install FROM postgres:16-alpine COPY --from=pgvector-builder /usr/local/lib/postgresql/bitcode/vector.index.bc /usr/local/lib/postgresql/bitcode/vector.index.bc COPY --from=pgvector-builder /usr/local/lib/postgresql/vector.so /usr/local/lib/postgresql/vector.so COPY --from=pg
Steps
- This extension of the Alpine docker image worked for me:
$ cat Dockerfile FROM postgres:16-alpine AS pgvector-builder RUN apk add git RUN apk add build-base RUN apk add clang RUN apk add llvm-dev WORKDIR /build RUN git clone --branch v0.8.0 https://github.com/pgvector/pgvector.git WORKDIR /build/pgvector RUN make RUN make install FROM postgres:16-alpine COPY --from=pgvector-builder /usr/local/lib/postgresql/bitcode/vector.index.bc /usr/local/lib/postgresql/bitcode/vector.index.bc COPY --from=pgvector-builder /usr/local/lib/postgresql/vector.so /usr/local/lib/postgresql/vector.so COPY --from=pgvector-builder /usr/local/share/postgresql/extension /usr/local/share/postgresql/extension $ docker build -t postgres:16-alpine-pgvector .
When to use
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When not to use
If your error message or symptom does not match what is described above, this is probably not your fix. Search for your exact error text instead of forcing this one to fit.
Versions
Versions mentioned in the source: --branch v0.8.0. If you are on something much newer or older, the details may have shifted.
Why this happens
The original report does not dig into a root cause. It documents the symptom and the fix that resolved it.
Sources
- https://github.com/pgvector/pgvector.git
- https://github.com/pgvector/pgvector/blob/master/Dockerfile#L2C1-L3C1
Maintainer review
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