ci: restore docker files

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"]