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Update to Julia 1.8.4 and README doc #5

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Update to Julia 1.8.4 and README doc #5

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Update to Julia 1.8.4 and README doc
tk3369 Jan 3, 2023
b0fcb9b
minor edit
tk3369 Jan 3, 2023
0b51ed7
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tk3369 Jan 3, 2023
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10 changes: 5 additions & 5 deletions Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -5,10 +5,10 @@ FROM public.ecr.aws/lambda/provided:al2
# Download and install Julia
WORKDIR /usr/local
RUN yum install -y tar gzip \
&& curl -LO https://julialang-s3.julialang.org/bin/linux/x64/1.5/julia-1.5.3-linux-x86_64.tar.gz \
&& tar xf julia-1.5.3-linux-x86_64.tar.gz \
&& rm julia-1.5.3-linux-x86_64.tar.gz \
&& ln -s julia-1.5.3 julia
&& curl -LO https://julialang-s3.julialang.org/bin/linux/x64/1.8/julia-1.8.4-linux-x86_64.tar.gz \
&& tar xf julia-1.8.4-linux-x86_64.tar.gz \
&& rm julia-1.8.4-linux-x86_64.tar.gz \
&& ln -s julia-1.8.4 julia

# Install application
WORKDIR /var/task
Expand All @@ -30,7 +30,7 @@ ENV JULIA_DEPOT_PATH /tmp/.julia:/var/task/.julia

# Install bootstrap script
WORKDIR /var/runtime
COPY bootstrap .
COPY --chmod=0755 bootstrap .

# Create an empty extensions directory
WORKDIR /opt/extensions
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17 changes: 15 additions & 2 deletions README.md
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Expand Up @@ -3,6 +3,9 @@
As of December 2020, AWS supports running Lambda functions from any container image.
This is an example of deploying Julia program as AWS lambda.

**Update Jan 2, 2023:**
This repo has been updated to use the latest version of Julia (1.8.4).

## How it works

The `Dockerfile` uses an AWS provided base image. It is more convenient because their
Expand Down Expand Up @@ -44,12 +47,22 @@ quickly build/tag/push a Docker image and deploy the function on AWS.

For example:
```
sh scripts/deploy.sh julia-lambda latest
DOCKER_BUILDKIT=1 sh scripts/deploy.sh julia-lambda latest
```

The script does not deploy the lambda function unless it is already created.
Note that the `DOCKER_BUILDKIT` is required for using setting the executable flag
for `/var/runtime/bootstrap` file.

The script cannot deploy the lambda function unless it is already created.
Hence, just for the first time, you must create the lambda function using
your preferred approach (web interface, cloud formation, CDK, etc.)
The AWS interface requires an ECR Image URI, however. You can just do
this:

1. Run the deploy script above. The script will fail but an image should be pushed to ECR.
2. Create the function with the ECR image URI.

From this point on, you just need to run the deploy script for any update.

## Contributions welcome!

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