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Fix Nix download buffer warning during Docker/Nix builds #9

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Fix Nix download buffer warning during Docker/Nix builds #9

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e4c21ad
Fix the devcontainer to work with Github Codespaces
mrinalwadhwa Aug 4, 2025
794376b
Initial plan
Copilot Aug 4, 2025
92d7746
Add download-buffer-size setting to fix Nix download buffer warning
Copilot Aug 4, 2025
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17 changes: 17 additions & 0 deletions .devcontainer/Dockerfile
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Original file line number Diff line number Diff line change
@@ -0,0 +1,17 @@
FROM nixos/nix

WORKDIR /autonomy
COPY tools/nix ./tools/nix

RUN echo "experimental-features = nix-command flakes" >> /etc/nix/nix.conf \
&& echo "sandbox = relaxed" >> /etc/nix/nix.conf \
&& echo "filter-syscalls = false" >> /etc/nix/nix.conf \
&& echo "download-buffer-size = 268435456" >> /etc/nix/nix.conf \
&& nix-channel --update \
&& nix develop ./tools/nix --command echo "Nix environment built and cached" \
&& mkdir -p /root/.local/bin \
&& mkdir -p /root/.cache

COPY . .

CMD ["nix", "develop", "./tools/nix", "--command", "bash"]
9 changes: 7 additions & 2 deletions .devcontainer/devcontainer.json
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@@ -1,4 +1,9 @@
{
"name": "Autonomy Builder",
"image": "ghcr.io/build-trust/autonomy-builder"
"name": "Builder",
"build": {
"dockerfile": "Dockerfile",
"context": ".."
},
"workspaceFolder": "/autonomy",
"overrideCommand": false
}
1 change: 1 addition & 0 deletions .github/actions/setup_nix/action.yaml
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Expand Up @@ -45,6 +45,7 @@ runs:

sudo mkdir -p /etc/nix
echo "extra-experimental-features = flakes nix-command" > nix.conf
echo "download-buffer-size = 268435456" >> nix.conf
sudo mv nix.conf /etc/nix/nix.conf

# Restore nix directories from cache
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1 change: 1 addition & 0 deletions tools/docker/dev/Dockerfile
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Expand Up @@ -6,6 +6,7 @@ COPY tools/nix ./tools/nix
RUN echo "experimental-features = nix-command flakes" >> /etc/nix/nix.conf \
&& echo "sandbox = relaxed" >> /etc/nix/nix.conf \
&& echo "filter-syscalls = false" >> /etc/nix/nix.conf \
&& echo "download-buffer-size = 268435456" >> /etc/nix/nix.conf \
&& nix-channel --update \
&& nix develop ./tools/nix --command echo "Nix environment built and cached" \
&& mkdir -p /root/.local/bin \
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