Initial

.env

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+HOST=0.0.0.0
+ALT_HOST=datomic.datomic
+PORT=4334
+
+POSTGRES_HOST=postgres
+POSTGRES_PORT=5432
+POSTGRES_DB=datomic
+POSTGRES_USER=datomic
+POSTGRES_PASSWORD=datomic

.github/workflows/build-docker.yaml

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+name: "Docker: Build Image"
+
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - v*
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  # Push image to GitHub Packages.
+  docker:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+        with:
+          platforms: "arm64"
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=raw,value=latest,enable={{is_default_branch}}
+            type=sha
+
+      - name: Build and push Docker images
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: ${{ github.event_name != 'pull_request' }}
+          pull: true
+          platforms: linux/amd64,linux/arm64
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

Dockerfile

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+FROM openjdk:17-slim
+
+WORKDIR /opt
+
+RUN apt-get update && \
+    apt-get install -y wget unzip
+
+ENV VERSION 1.0.7075
+ENV POSTGRES_VERSION 42.7.3
+
+RUN wget https://datomic-pro-downloads.s3.amazonaws.com/$VERSION/datomic-pro-$VERSION.zip -O datomic-pro-$VERSION.zip
+
+RUN unzip datomic-pro-${VERSION}.zip
+RUN mv datomic-pro-${VERSION} datomic
+RUN rm datomic-pro-${VERSION}.zip
+
+WORKDIR /opt/datomic
+
+# Remove old postgres dependency and replace it
+RUN rm lib/postgresql-*.jar
+RUN wget https://repo1.maven.org/maven2/org/postgresql/postgresql/$POSTGRES_VERSION/postgresql-$POSTGRES_VERSION.jar -O lib/postgresql-$POSTGRES_VERSION.jar
+
+COPY postgres-transactor.properties .
+
+EXPOSE 4334
+
+CMD ["bin/transactor", "-Xms4g", "-Xmx4g", "-XX:+UseG1GC", "-XX:MaxGCPauseMillis=50", "postgres-transactor.properties"]

README.md

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+# Dockerized Datomic
+
+This repository contains a Dockerfile for running Datomic in a Docker container.
+
+## Usage
+
+Pass your configuration options to [postgres-transactor.properties](postgres-transactor.properties), which connects to the postgres backend to store the data from the datomic instance.
+
+Then, build the image:
+
+```bash
+docker build -t datomic .
+```
+
+## Example Scenarios
+
+We use this image as a backend of https://app.schnaq.com. It is installed on a Kubernetes cluster and is used to store the data of the application.
+
+## License
+Copyright © 2024 – today schnaq GmbH and Contributors
+
+Distributed under the [MIT](LICENSE) License.

postgres-transactor.properties

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+###################################################################
+
+protocol=sql
+host=0.0.0.0
+alt-host=datomic.datomic
+port=8443
+
+###################################################################
+# See https://docs.datomic.com/on-prem/storage.html
+
+sql-url=jdbc:postgresql://<host>:5423/datomic
+sql-user=<user>
+sql-password=<password>
+
+## The Postgres driver is included with Datomic. For other SQL
+## databases, you will need to install the driver on the
+## transactor classpath, by copying the file into lib/,
+## and place the driver on your peer's classpath.
+sql-driver-class=org.postgresql.Driver
+
+## Driver specified params, as semicolon-separated pairs.
+# Optional
+# sql-driver-params=<param1=val1&param2=val2...>
+
+## The query used to validate JDBC connection.
+# Optional
+# sql-validation-query=select 1
+
+
+
+###################################################################
+# See https://docs.datomic.com/on-prem/capacity.html
+
+
+## Recommended settings for -Xmx4g production usage.
+memory-index-threshold=32m
+memory-index-max=512m
+object-cache-max=1g
+
+## Recommended settings for -Xmx1g usage, e.g. dev laptops.
+# memory-index-threshold=32m
+# memory-index-max=256m
+# object-cache-max=128m
+
+
+
+## OPTIONAL #######################################################
+
+
+## Set to false to disable SSL between the peers and the transactor.
+# Default: true
+# encrypt-channel=true
+
+## Data directory is used for dev: and free: storage, and
+## as a temporary directory for all storages.
+# data-dir=data
+
+## Transactor will log here, see bin/logback.xml to configure logging.
+# log-dir=log
+
+## Transactor will write process pid here on startup
+# pid-file=transactor.pid
+
+
+
+## OPTIONAL #######################################################
+# See https://docs.datomic.com/on-prem/valcache.html
+## Valcache configuration.
+## Set these valcache properties to a directory on an SSD to enable valcache
+
+# valcache-path=
+# valcache-max-gb=
+
+
+
+## OPTIONAL #######################################################
+# See https://docs.datomic.com/on-prem/storage.html
+## Memcached configuration.
+
+# memcached=host:port,host:port,...
+# memcached-username=datomic
+# memcached-password=datomic
+
+
+
+## OPTIONAL #######################################################
+# See https://docs.datomic.com/on-prem/capacity.html
+
+
+## Soft limit on the number of concurrent writes to storage.
+# Default: 4, Miniumum: 2
+# write-concurrency=4
+
+## Soft limit on the number of concurrent reads to storage.
+# Default: 2 times write-concurrency, Miniumum: 2
+# read-concurrency=8
+
+## Parallelism in index jobs.
+# Default: 1, Maximum: 8
+# index-parallelism=1
+
+
+
+## OPTIONAL #######################################################
+# See https://docs.datomic.com/on-prem/aws.html
+## Optional settings for rotating logs to S3
+# (Can be auto-generated by bin/datomic ensure-transactor.)
+
+# aws-s3-log-bucket-id=
+
+
+
+## OPTIONAL #######################################################
+# See https://docs.datomic.com/on-prem/aws.html
+## Optional settings for Cloudwatch metrics.
+# (Can be auto-generated by bin/datomic ensure-transactor.)
+
+# aws-cloudwatch-region=
+
+## Pick a unique name to distinguish transactor metrics from different systems.
+# aws-cloudwatch-dimension-value=your-system-name
+
+
+
+## OPTIONAL #######################################################
+# See https://docs.datomic.com/on-prem/ha.html
+
+
+## The transactor will write a heartbeat into storage on this interval.
+## A standby transactor will take over if it sees the heartbeat go 
+## unwritten  for 2x this interval. If your transactor load leads to 
+## long gc pauses, you can increase this number to prevent the standby 
+## transactor from unnecessarily taking over during a long gc pause.
+# Default: 5000, Miniumum: 5000
+# heartbeat-interval-msec=5000
+
+
+
+## OPTIONAL #######################################################
+
+
+## The transactor will use this partition for new entities that
+## do not explicitly specify a partition.
+# Default: :db.part/user
+# default-partition=:db.part/user