Add Docker files, update README

Dockerfile.dev

@@ -0,0 +1,65 @@
+FROM adoptopenjdk/openjdk11:debian
+
+# Prepare nodejs install as leiningen requires nodejs
+RUN curl -sL https://deb.nodesource.com/setup_18.x | bash 
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    software-properties-common \
+    wget \
+    gnupg \
+    leiningen \
+    git \
+    vim \
+    nodejs \
+    && \
+    apt clean && \
+    rm -rf /var/lib/apt/lists/*
+
+# Use non-root user
+ARG USERNAME=playground
+ARG USER_UID=1000
+ARG USER_GID=$USER_UID
+
+# Create the user
+RUN groupadd --gid $USER_GID $USERNAME \
+    && useradd --uid $USER_UID --gid $USER_GID -m $USERNAME
+
+USER $USERNAME
+
+## metafacture-core
+WORKDIR /opt/metafacture-core
+RUN git clone https://github.com/metafacture/metafacture-core.git .
+# use master for now, not a specific version
+# must match dependencies in project.clj
+#RUN git checkout metafacture-core-6.0.0
+RUN ./gradlew install
+
+## metafacture-fix
+WORKDIR /opt/metafacture-fix
+RUN git clone https://github.com/metafacture/metafacture-fix.git .
+RUN git checkout 1.0.0
+RUN ./gradlew install
+
+## metafacture-playground
+WORKDIR /opt/metafacture-playground
+COPY --chown="$USERNAME:$USERNAME" ./ .
+
+COPY --chown="$USERNAME:$USERNAME" resources/.java.policy_move_to_home_dir /home/$USERNAME/.java.policy 
+
+# enable debug mode
+# by adding "-Djava.security.debug=access" option
+# RUN sed 's/:jvm-opts \[/&"-Djava.security.debug=access" /' roles/metafacture-playground/files/project.clj
+
+RUN lein release
+
+CMD ["lein", "watch"]
+
+# keep container running
+#ENTRYPOINT ["tail", "-f", "/dev/null"]
+
+# log into container:
+# sudo docker exec -it metafacture-playground-app-1 bash
+# inside the container:
+# lein run > out 2>error
+# or
+# nohup lein run &

Dockerfile.prod

@@ -0,0 +1,65 @@
+FROM adoptopenjdk/openjdk11:debian
+
+# Prepare nodejs install as leiningen requires nodejs
+RUN curl -sL https://deb.nodesource.com/setup_18.x | bash 
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    software-properties-common \
+    wget \
+    gnupg \
+    leiningen \
+    git \
+    vim \
+    nodejs \
+    && \
+    apt clean && \
+    rm -rf /var/lib/apt/lists/*
+
+# Use non-root user
+ARG USERNAME=playground
+ARG USER_UID=1000
+ARG USER_GID=$USER_UID
+
+# Create the user
+RUN groupadd --gid $USER_GID $USERNAME \
+    && useradd --uid $USER_UID --gid $USER_GID -m $USERNAME
+
+USER $USERNAME
+
+## metafacture-core
+WORKDIR /opt/metafacture-core
+RUN git clone https://github.com/metafacture/metafacture-core.git .
+# use master for now, not a specific version
+# must match dependencies in project.clj
+#RUN git checkout metafacture-core-6.0.0
+RUN ./gradlew install
+
+## metafacture-fix
+WORKDIR /opt/metafacture-fix
+RUN git clone https://github.com/metafacture/metafacture-fix.git .
+RUN git checkout 1.0.0
+RUN ./gradlew install
+
+## metafacture-playground
+WORKDIR /opt/metafacture-playground
+RUN git clone https://github.com/metafacture/metafacture-playground.git .
+
+COPY --chown="$USERNAME:$USERNAME" resources/.java.policy_move_to_home_dir /home/$USERNAME/.java.policy 
+
+# enable debug mode
+# by adding "-Djava.security.debug=access" option
+# RUN sed 's/:jvm-opts \[/&"-Djava.security.debug=access" /' roles/metafacture-playground/files/project.clj
+
+RUN lein release
+
+CMD ["lein", "run"]
+
+# keep container running
+#ENTRYPOINT ["tail", "-f", "/dev/null"]
+
+# log into container:
+# sudo docker exec -it metafacture-playground-app-1 bash
+# inside the container:
+# lein run > out 2>error
+# or
+# nohup lein run &

README.md

@@ -11,6 +11,33 @@ Both deployments provide a web application and an HTTP API
 
 [Here](CONTRIBUTING.md) you can read about contributing to Metafacture Playground.
 
+## Docker
+
+[Install Docker Engine](https://docs.docker.com/engine/install/) by follwing the guide for your distro.
+
+[Install Docker Compose](https://docs.docker.com/compose/install/linux/#install-using-the-repository) as a plugin.
+
+Alternatively, you may want to use the Docker Desktop environment which includes a GUI and all Docker components.
+
+### Clone repo
+
+```bash
+git clone https://github.com/metafacture/metafacture-playground.git
+cd metafacture-playground
+```
+
+### Start in development mode
+
+```bash
+docker compose -f docker-compose-dev.yml up
+```
+
+### Start in production mode
+
+```bash
+docker compose up
+```
+
 ## Installation
 
 Before starting you need to install [Leiningen](https://leiningen.org/) and a JDK (minimum Java 11).

docker-compose-dev.yml

@@ -0,0 +1,9 @@
+version: "2"
+
+services:
+  app:
+    build:
+      context: .
+      dockerfile: Dockerfile.dev
+    ports:
+      - 3000:3000

docker-compose.yml

@@ -0,0 +1,11 @@
+version: "2"
+
+services:
+  app:
+    build:
+      context: .
+      dockerfile: Dockerfile.prod
+    ports:
+      - 3000:3000
+    mem_limit: 8192m
+    cpus: 0.5