Make docker container ready for final submission

.dockerignore

@@ -0,0 +1,24 @@
+# ---> Rust
+# Generated by Cargo
+# will have compiled files and executables
+debug/
+target/
+
+# These are backup files generated by rustfmt
+**/*.rs.bk
+
+# MSVC Windows builds of rustc generate these, which store debugging information
+*.pdb
+
+# ---> Nix
+# Ignore build outputs from performing a nix-build or `nix build` command
+result
+result-*
+
+# Test gadget
+test-gadget.py
+.test-gadget/
+
+# Added by cargo
+
+/target

Dockerfile

@@ -6,6 +6,7 @@ RUN cargo install --path .
 FROM debian:stable-slim
 RUN apt-get update && apt-get install -y libc6 gcc && rm -rf /var/lib/apt/lists/*
 COPY --from=builder /usr/local/cargo/bin/compiler-course /usr/local/bin/compiler-course
+COPY . .
 EXPOSE 3000
 CMD ["compiler-course"]