PlantUML CLI

Dockerfile

FROM openjdk:14-jdk-alpine3.10
ENV PLANTUML_VERSION=1.2022.4
ENV LANG en_US.UTF-8
RUN \
  apk add --no-cache graphviz wget ca-certificates && \
  apk add --no-cache graphviz wget ca-certificates ttf-dejavu fontconfig && \
  mkdir /app && \
  wget "https://github.com/plantuml/plantuml/releases/download/v${PLANTUML_VERSION}/plantuml-${PLANTUML_VERSION}.jar" -O /app/plantuml.jar && \
  apk del wget ca-certificates
RUN ["java", "-Djava.awt.headless=true", "-jar", "/app/plantuml.jar", "-version"]
RUN ["dot", "-version"]
ENTRYPOINT ["java", "-Djava.awt.headless=true", "-jar", "/app/plantuml.jar", "-p"]
CMD ["-tsvg"]

Makefile

DIAGRAMS_SRC := $(wildcard *.plantuml)
DIAGRAMS_PNG := $(addsuffix .png, $(basename $(DIAGRAMS_SRC)))
DIAGRAMS_SVG := $(addsuffix .svg, $(basename $(DIAGRAMS_SRC)))
LOCAL_DATE := $(shell date "+%Y-%m-%d")
PWD := $(shell pwd)

png: build $(DIAGRAMS_PNG)
svg: build $(DIAGRAMS_SVG)

%.png: %.plantuml
	cat $< | docker run -v $(PWD):/work -w /work --rm -i toastshaman/plantuml -tpng > ./$*-${LOCAL_DATE}.png

%.svg: %.plantuml
	cat $< | docker run -v $(PWD):/work -w /work --rm -i toastshaman/plantuml > ./$*-${LOCAL_DATE}.svg

build:
	docker build --build-arg plantuml_version=1.2022.4 -t toastshaman/plantuml:latest .

.PHONY: build png svg postbuild