Merge branch 'feat/ci' into 'main'

Introduce CI

See merge request perditum/rnex-splatoon!11

.gitlab-ci.yml

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+image: docker:latest 
+
+variables:
+  IMAGE_NAME: "ci.perditum.com/perditum/rnex-splatoon"
+  IMAGE_TAG: "${CI_COMMIT_REF_SLUG}"
+
+before_script:
+  - docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" ci.perditum.com
+
+stages:
+  - build-and-push
+
+build-and-push:
+  stage: build-and-push
+  script:
+    - docker build -t "$IMAGE_NAME:$IMAGE_TAG" .
+    - docker tag "$IMAGE_NAME:$IMAGE_TAG" "$IMAGE_NAME:latest"
+    - docker push "$IMAGE_NAME:$IMAGE_TAG"
+    - docker push "$IMAGE_NAME:latest"

Dockerfile

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+FROM rust:1.85 AS builder
+
+WORKDIR /app
+
+COPY . .
+
+RUN apt-get update && apt-get install protobuf-compiler -y
+
+RUN git submodule update --init --recursive
+
+RUN cargo build --release
+
+FROM rust:1.85 AS final
+
+WORKDIR /app
+
+# Copy the compiled binary from the builder stage
+COPY --from=builder /app/target/release/splatoon-server-rust /app/splatoon-server-rust
+
+# Set executable permissions
+RUN chmod +x /app/splatoon-server-rust
+
+# Command to run the application
+CMD ["/app/splatoon-server-rust"]