CI: Remove unnecessary pipes (#9681)

* ci: reduce gitlab pipelines significantly

* ci: build pipeline for PR

* ci: remove dead weight

* ci: remove github release script

* ci: remove forever broken aura tests

* ci: add random stuff to the end of the pipes

* ci: add wind and mac to the end of the pipe

* ci: remove snap artifacts

* ci: (re)move dockerfiles

* ci: clarify job names

* ci: add cargo audit job

* ci: make audit script executable

* ci: ignore snap and docker files for rust check

* ci: simplify audit script

* ci: rename misc to optional

* ci: add publish script to releaseable branches

* ci: more verbose cp command for windows build

* ci: fix weird binary checksum logic in push script

* ci: fix regex in push script for windows

* ci: simplify gitlab caching

* docs: align README with ci changes

* ci: specify default cargo target dir

* ci: print verbose environment

* ci: proper naming of scripts

* ci: restore docker files

* ci: use docker hub file

* ci: use cargo home instead of cargo target dir

* ci: touch random rust file to trigger real builds

* ci: set cargo target dir for audit script

* ci: remove temp file

* ci: don't export the cargo target dir in the audit script

* ci: fix windows unbound variable

* docs: fix gitlab badge path

* rename deprecated gitlab ci variables

https://docs.gitlab.com/ee/ci/variables/#9-0-renaming

* ci: fix git compare for nightly builds

* test: skip c++ example for all platforms but linux

* ci: add random rust file to trigger tests

* ci: remove random rust file

* disable cpp lib test for mac, win and beta (#9686)

scripts/docker/alpine/Dockerfile

@@ -0,0 +1,43 @@
+FROM alpine:edge AS builder
+
+# show backtraces
+ENV RUST_BACKTRACE 1
+
+RUN apk add --no-cache \
+  build-base \
+  cargo \
+  cmake \
+  eudev-dev \
+  linux-headers \
+  perl \
+  rust
+
+WORKDIR /parity
+COPY . /parity
+RUN cargo build --release --target x86_64-alpine-linux-musl --verbose
+RUN strip target/x86_64-alpine-linux-musl/release/parity
+
+
+FROM alpine:edge
+
+# show backtraces
+ENV RUST_BACKTRACE 1
+
+RUN apk add --no-cache \
+  libstdc++ \
+  eudev-libs \
+  libgcc
+
+RUN addgroup -g 1000 parity \
+  && adduser -u 1000 -G parity -s /bin/sh -D parity
+
+USER parity
+
+EXPOSE 8080 8545 8180
+
+WORKDIR /home/parity
+
+RUN mkdir -p /home/parity/.local/share/io.parity.ethereum/
+COPY --chown=parity:parity --from=builder /parity/target/x86_64-alpine-linux-musl/release/parity ./
+
+ENTRYPOINT ["./parity"]