Add custom Docker image for FE E2E tests

Woodpecker cannot do custom commands for services.

Dockerfile-e2e

@@ -0,0 +1,61 @@
+# https://hub.docker.com/r/hexpm/elixir/tags
+ARG ELIXIR_IMG=docker.io/hexpm/elixir
+ARG ALPINE_IMG=docker.io/alpine
+ARG ELIXIR_VER=1.18.4
+ARG ERLANG_VER=27.3.4.11
+ARG ALPINE_VER=3.23.4
+
+FROM ${ELIXIR_IMG}:${ELIXIR_VER}-erlang-${ERLANG_VER}-alpine-${ALPINE_VER} AS build
+
+COPY . .
+
+ENV MIX_ENV=prod
+ENV VIX_COMPILATION_MODE=PLATFORM_PROVIDED_LIBVIPS
+
+RUN apk add git gcc g++ musl-dev make cmake file-dev vips-dev &&\
+	echo "import Config" > config/prod.secret.exs &&\
+	mix local.hex --force &&\
+	mix local.rebar --force &&\
+	mix deps.clean --all &&\
+	mix deps.get --only prod &&\
+	mkdir release &&\
+	mix release --path release
+
+FROM ${ALPINE_IMG}:${ALPINE_VER}
+
+ARG BUILD_DATE
+ARG VCS_REF
+
+LABEL maintainer="ops@pleroma.social" \
+    org.opencontainers.image.title="pleroma" \
+    org.opencontainers.image.description="Pleroma FE E2E test image" \
+    org.opencontainers.image.authors="ops@pleroma.social" \
+    org.opencontainers.image.vendor="pleroma.social" \
+    org.opencontainers.image.documentation="https://git.pleroma.social/pleroma/pleroma" \
+    org.opencontainers.image.licenses="AGPL-3.0" \
+    org.opencontainers.image.url="https://pleroma.social" \
+    org.opencontainers.image.revision=$VCS_REF \
+    org.opencontainers.image.created=$BUILD_DATE
+
+ARG HOME=/opt/pleroma
+ARG DATA=/var/lib/pleroma
+
+RUN apk update &&\
+	apk add exiftool ffmpeg vips libmagic ncurses postgresql-client &&\
+	adduser --system --shell /bin/false --home ${HOME} pleroma &&\
+	mkdir -p ${DATA}/uploads &&\
+	mkdir -p ${DATA}/static &&\
+	chown -R pleroma ${DATA} &&\
+	mkdir -p /etc/pleroma &&\
+	chown -R pleroma /etc/pleroma
+
+USER pleroma
+
+COPY --from=build --chown=pleroma:0 /release ${HOME}
+
+COPY --chown=pleroma --chmod=640 ./config/docker.exs /etc/pleroma/config.exs
+COPY ./docker-entrypoint-e2e.sh ${HOME}
+
+EXPOSE 4000
+
+ENTRYPOINT ["/opt/pleroma/docker-entrypoint-e2e.sh"]