> For the complete documentation index, see [llms.txt](https://til.duyet.net/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://til.duyet.net/data-engineering/docker/optimize-the-docker-image-size.md).

# Optimize the Docker Image Size

## Cleaning up in the same layer

```
FROM ubuntu:14.04
RUN apt-get update && \
    apt-get install -y curl python-pip && \
    pip install requests && \
    apt-get remove -y python-pip curl && \
    rm -rf /var/lib/apt/lists/*
ADD ./my_service.py /my_service.py
ENTRYPOINT ["python", "/my_service.py"]
```

## Apt install with \`--no-install-recommends\` 

```
...
RUN apt-get install -y --no-install-recommends curl python-pip
...
```

## Multi-Stage Builds

```
FROM golang:1.8-alpine as builder
RUN go get github.com/kardianos/govendor
RUN go get github.com/nicksnyder/go-i18n/goi18n
RUN go get github.com/jteeuwen/go-bindata/go-bindata
RUN make build # Exports binaries to to ./bin/$BINARY

FROM alpine
COPY --from=builder ./bin/replicated /bin/replicated
ENTRYPOINT ["/bin/replicated"]
```

## Using distroless base images

{% content-ref url="/pages/-M\_ZyRdTW3dCU0GSzn-P" %}
["Distroless" Docker Images](/data-engineering/docker/distroless-docker-images.md)
{% endcontent-ref %}

## Dive - **A tool for exploring a docker image**

{% embed url="<https://github.com/wagoodman/dive>" %}

![](/files/-M_ZzBeuAP5u7AczVlOQ)