Refactored Dockerfile

Dockerfile

@@ -1,51 +1,39 @@
+# syntax=docker/dockerfile:1
+#  ┬─┐┬ ┐o┬  ┬─┐
+#  │─││ │││  │ │
+#  ┘─┘┘─┘┘┘─┘┘─┘
 
-##############
-# Build stage
-FROM --platform=$BUILDPLATFORM techknowlogick/xgo:go-1.19.2 AS build-env
+FROM techknowlogick/xgo:go-1.19.2 AS builder
 
-RUN \
-  go install github.com/magefile/mage@latest && \
-  mv /go/bin/mage /usr/local/go/bin
+RUN go install github.com/magefile/mage@latest && \
+    mv /go/bin/mage /usr/local/go/bin
 
-ARG VIKUNJA_VERSION
-
-# Setup repo
-COPY . /go/src/code.vikunja.io/api
 WORKDIR /go/src/code.vikunja.io/api
+COPY . ./
 
 ARG TARGETOS TARGETARCH TARGETVARIANT
-# Checkout version if set
-RUN if [ -n "${VIKUNJA_VERSION}" ]; then git checkout "${VIKUNJA_VERSION}"; fi && \
-  mage build:clean && \
-  mage release:xgo $TARGETOS/$TARGETARCH/$TARGETVARIANT
 
-###################
+RUN mage build:clean && \
+    mage release:xgo "${TARGETOS}/${TARGETARCH}/${TARGETVARIANT}"
+
+#  ┬─┐┬ ┐┌┐┐┌┐┐┬─┐┬─┐
+#  │┬┘│ │││││││├─ │┬┘
+#  ┘└┘┘─┘┘└┘┘└┘┴─┘┘└┘
+
 # The actual image
 # Note: I wanted to use the scratch image here, but unfortunatly the go-sqlite bindings require cgo and
 # because of this, the container would not start when I compiled the image without cgo.
-FROM alpine:3.16
+FROM alpine:3.16 AS runner
 LABEL maintainer="maintainers@vikunja.io"
-
 WORKDIR /app/vikunja/
-COPY --from=build-env /build/vikunja-* vikunja
+
+ENTRYPOINT [ "/app/vikunja/vikunja" ]
 ENV VIKUNJA_SERVICE_ROOTPATH=/app/vikunja/
 
-# Dynamic permission changing stuff
-ENV PUID 1000
-ENV PGID 1000
-RUN apk --no-cache add shadow && \
-  addgroup -g ${PGID} vikunja && \
-  adduser -s /bin/sh -D -G vikunja -u ${PUID} vikunja -h /app/vikunja -H && \
-  chown vikunja -R /app/vikunja
-COPY run.sh /run.sh
+RUN apk --update --no-cache add tzdata && \
+    addgroup -g 1000 vikunja && \
+    adduser -s /bin/sh -D -G vikunja -u 1000 vikunja -h /app/vikunja -H && \
+    mkdir files && \
+    chown vikunja:vikunja files
 
-# Add time zone data
-RUN apk --no-cache add tzdata
-
-# Files permissions
-RUN mkdir /app/vikunja/files && \
-  chown -R vikunja /app/vikunja/files
-VOLUME /app/vikunja/files
-
-CMD ["/run.sh"]
-EXPOSE 3456
+COPY --from=builder --chown=vikunja:vikunja /build/vikunja-* vikunja

run.sh

@@ -1,7 +0,0 @@
-#!/bin/sh
-
-# Set the uid and gid of the vikunja run user
-usermod --non-unique --uid ${PUID} vikunja
-groupmod --non-unique --gid ${PGID} vikunja
-
-exec su vikunja -c '/app/vikunja/vikunja'