add CI

Dockerfile

@@ -0,0 +1,32 @@
+# syntax=docker/dockerfile:1
+FROM rust:alpine AS chef
+RUN apk add --no-cache musl-dev lld g++ make perl openssl-dev openssl-libs-static protobuf-dev ca-certificates
+RUN cargo install cargo-chef
+WORKDIR /app
+
+FROM chef AS planner
+COPY . .
+RUN cargo chef prepare --recipe-path recipe.json
+
+FROM chef AS builder
+COPY --from=planner /app/recipe.json recipe.json
+
+ENV SQLX_OFFLINE=true
+ENV RUSTFLAGS="-C target-feature=+aes,+sse -C relocation-model=static -C linker=ld.lld"
+
+RUN --mount=type=cache,target=/usr/local/cargo/registry \
+    --mount=type=cache,target=/app/target \
+    cargo chef cook --recipe-path recipe.json --target x86_64-unknown-linux-musl
+
+COPY . .
+RUN --mount=type=cache,target=/usr/local/cargo/registry \
+    --mount=type=cache,target=/app/target \
+    cargo build --target x86_64-unknown-linux-musl && \
+    mkdir -p /app/dist && \
+    cp /app/target/x86_64-unknown-linux-musl/debug/nex-account /app/dist/
+
+FROM scratch AS final
+WORKDIR /
+COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
+COPY --from=builder /app/dist/nex-account /nex-account
+ENTRYPOINT ["/nex-account"]