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serving/samples/helloworld-clojure: simplify and standardize Dockerfile (#499)

This commit is contained in:
Adam Ross 2018-11-20 12:23:20 -08:00 committed by Knative Prow Robot
parent a25fc162cb
commit 1176fc35c1
2 changed files with 22 additions and 20 deletions
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21
serving/samples/helloworld-clojure/Dockerfile
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@ -1,20 +1,21 @@
# Start from a Debian image with the latest version of Clojure installed. # Use the official Clojure image.
# https://hub.docker.com/_/clojure
FROM clojure FROM clojure
# Create the project and download dependencies. # Create the project and download dependencies.
RUN mkdir -p /usr/src/app
WORKDIR /usr/src/app WORKDIR /usr/src/app
COPY project.clj /usr/src/app/ COPY project.clj .
RUN lein deps RUN lein deps
# Copy the local package files inside the container. # Copy local code to the container image.
COPY . /usr/src/app COPY . .
# Build the app as an uberjar. # Build an uberjar release artifact.
RUN mv "$(lein uberjar | sed -n 's/^Created \(.*standalone\.jar\)/\1/p')" app-standalone.jar RUN mv "$(lein uberjar | sed -n 's/^Created \(.*standalone\.jar\)/\1/p')" app-standalone.jar
# Run the app by default when the container starts. # Configure and document the service HTTP port.
CMD ["java", "-jar", "app-standalone.jar"] ENV PORT 8080
EXPOSE $PORT
# Document that the service listens on port 8080. # Run the web service on container startup.
EXPOSE 8080 CMD ["java", "-jar", "app-standalone.jar"]

21
serving/samples/helloworld-clojure/README.md
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@ -58,26 +58,27 @@ following instructions recreate the source files from this folder.
[the clojure image documentation](https://github.com/docker-library/docs/tree/master/clojure). [the clojure image documentation](https://github.com/docker-library/docs/tree/master/clojure).
```docker ```docker
# Start from a Debian image with the latest version of Clojure installed. # Use the official Clojure image.
# https://hub.docker.com/_/clojure
FROM clojure FROM clojure
# Create the project and download dependencies. # Create the project and download dependencies.
RUN mkdir -p /usr/src/app
WORKDIR /usr/src/app WORKDIR /usr/src/app
COPY project.clj /usr/src/app/ COPY project.clj .
RUN lein deps RUN lein deps
# Copy the local package files inside the container. # Copy local code to the container image.
COPY . /usr/src/app COPY . .
# Build the app as an uberjar. # Build an uberjar release artifact.
RUN mv "$(lein uberjar | sed -n 's/^Created \(.*standalone\.jar\)/\1/p')" app-standalone.jar RUN mv "$(lein uberjar | sed -n 's/^Created \(.*standalone\.jar\)/\1/p')" app-standalone.jar
# Run the app by default when the container starts. # Configure and document the service HTTP port.
CMD ["java", "-jar", "app-standalone.jar"] ENV PORT 8080
EXPOSE $PORT
# Document that the service listens on port 8080. # Run the web service on container startup.
EXPOSE 8080 CMD ["java", "-jar", "app-standalone.jar"]
``` ```
1. Create a new file, `service.yaml` and copy the following service definition 1. Create a new file, `service.yaml` and copy the following service definition