Add Dockerfile

Dockerfile

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+##################
+### BASE STAGE ###
+##################
+FROM rust:1.57 as base
+
+# Install build dependencies
+RUN cargo install --locked trunk strip_cargo_version
+RUN rustup target add wasm32-unknown-unknown
+
+WORKDIR /app
+RUN mkdir frontend backend common
+
+###########################
+### STRIP-VERSION STAGE ###
+###########################
+FROM base AS strip-version
+
+COPY Cargo.lock Cargo.toml ./
+RUN strip_cargo_version
+
+###################
+### BUILD STAGE ###
+###################
+FROM base AS build
+
+RUN cargo init --lib .
+COPY --from=strip-version /app/Cargo.toml /app/Cargo.lock /app/
+
+RUN cargo build --release --target wasm32-unknown-unknown
+
+COPY . .
+
+RUN trunk build --release
+
+########################
+### PRODUCTION STAGE ###
+########################
+FROM nginx:alpine
+
+COPY --from=base /app/dist/* /usr/share/nginx/html/