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Fix Docker build SECRET_KEY_BASE validation error during asset precompilation #369

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Fix Docker build SECRET_KEY_BASE validation error during asset precompilation #369

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Copilot Aug 20, 2025
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Fix Docker build SECRET_KEY_BASE validation error
Copilot Aug 20, 2025
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4 changes: 2 additions & 2 deletions Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -160,11 +160,11 @@ RUN chown app Gemfile.lock
RUN mkdir -p /var/log/nginx/qul.tarteel.ai

# precompile assets
RUN SECRET_KEY_BASE_DUMMY=1 ./bin/rails assets:precompile
RUN SECRET_KEY_BASE=$(ruby -e "require 'securerandom'; puts SecureRandom.hex(64)") ./bin/rails assets:precompile

#TODO: fix this, sprockets can't find the compiled assets.
# Compiling twice seems to be working
RUN SECRET_KEY_BASE_DUMMY=1 ./bin/rails assets:precompile
RUN SECRET_KEY_BASE=$(ruby -e "require 'securerandom'; puts SecureRandom.hex(64)") ./bin/rails assets:precompile

# pg_dump
RUN apt-get install -y wget
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10 changes: 7 additions & 3 deletions docker/README.md
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@@ -1,11 +1,15 @@
# QUL docker deployment

build the image:
Build the image:
```
docker build -t quranic-universal-library .
```
run it:

Run it:
```
docker run --rm -it -p 3000:3000 --env RAILS_MASTER_KEY=<content of config/master.key> quranic-universal-library
```
```

## Build Notes

The Docker build process automatically generates a temporary SECRET_KEY_BASE during asset precompilation. This resolves Rails 7.x validation requirements for production environment secret keys during the build process.