package: added Dockerfile

.dockerignore

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+**/.stack-work

Dockerfile

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+FROM debian:stable-slim as dev
+
+RUN apt-get update
+RUN apt-get install -y curl libtinfo-dev
+RUN (curl -sSL https://get.haskellstack.org/ | sh)
+RUN mkdir /root/hledger
+WORKDIR /root/hledger
+
+# Install GHC
+COPY ./stack*.yaml ./
+RUN stack setup
+
+# Pre-cache dependencies
+RUN mkdir hledger-lib hledger hledger-ui hledger-web hledger-api
+COPY hledger-lib/package.yaml hledger-lib/package.yaml
+COPY hledger/package.yaml hledger/package.yaml
+COPY hledger-ui/package.yaml hledger-ui/package.yaml
+COPY hledger-web/package.yaml hledger-web/package.yaml
+COPY hledger-api/package.yaml hledger-api/package.yaml
+RUN stack install --dependencies-only
+
+# Actually compile sources
+COPY . .
+RUN stack install
+
+FROM debian:stable-slim
+
+RUN apt-get update && apt-get install libgmp10 && rm -rf /var/lib/apt/lists
+
+COPY --from=dev /root/.local/bin/hledger* /usr/bin/
+
+ENV LC_ALL C.UTF-8
+
+RUN mkdir /data && touch /data/hledger.journal
+VOLUME /data
+
+EXPOSE 5000 5001
+
+COPY docker/start.sh /start.sh
+
+CMD ["/start.sh"]

docker/README.md

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+## Build instructions
+
+Build slim container with binaries only
+```
+docker image build --rm --tag hledger .
+```
+
+Build container suitable for development
+```
+docker image build --tag hledger --target dev .
+```

docker/start.sh

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+#!/bin/bash
+
+echo "host: ${HLEDGER_HOST:=0.0.0.0}"
+echo "port: ${HLEDGER_PORT:=5000}"
+echo "base url: ${HLEDGER_BASE_URL:="http://localhost:$HLEDGER_PORT"}"
+echo "file url: ${HLEDGER_FILE_URL:=}"
+echo "input file: ${HLEDGER_JOURNAL_FILE:=/data/hledger.journal}"
+echo "debug level: ${HLEDGER_DEBUG:=1}"
+echo "rules file: ${HLEDGER_RULES_FILE:=/data/hledger.rules}"
+
+exec hledger-web \
+     --server \
+     --host=$HLEDGER_HOST \
+     --port=$HLEDGER_PORT \
+     --file "$HLEDGER_JOURNAL_FILE" \
+     --debug=$HLEDGER_DEBUG \
+     --base-url=$HLEDGER_BASE_URL \
+     --file-url=$HLEDGER_FILE_URL \
+     --rules-file="$HLEDGER_RULES_FILE"