Dockerised the app

Good use of env vars now

Signed-off-by: Gunwant Jain <mail@wantguns.dev>

Dockerfile

@@ -0,0 +1,19 @@
+FROM rustlang/rust:nightly-slim AS builder
+WORKDIR app
+COPY . .
+RUN cargo build --release
+
+FROM debian:buster-slim AS runtime
+WORKDIR app
+RUN apt-get update -y \
+    && apt-get autoremove -y \
+    && apt-get clean -y \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY --from=builder /app/target/release/bin bin
+RUN mkdir -p upload
+COPY ./templates templates
+ENV ROCKET_ADDRESS=0.0.0.0
+ENV ROCKET_PORT=6162
+
+ENTRYPOINT ["./bin"]