Add a dockerfile and statically link everything

Signed-off-by: baalajimaestro <me@baalajimaestro.me>

Dockerfile

@@ -0,0 +1,25 @@
+FROM nimlang/nim:alpine
+
+RUN apk update && apk add git build-base curl bash openssl openssl-dev openssl-libs-static sqlite-dev sqlite-static
+
+COPY . /app
+
+# Build with necessary params to enable statically linking openssl, glibc and sqlite3
+RUN nimble build --passL:-L/usr/lib \
+                 -d:ssl \
+                 -p:. \
+                 --dynlibOverride:ssl \
+                 --dynlibOverride:crypto \
+                 --dynlibOverride:sqlite3 \
+                 --passl:-lssl \
+                 --passl:-lsqlite3 \
+                 --passl:-lcrypto \
+                 --passL:-static \
+                 -d:release \
+                 --opt:size
+
+# Our binary lives in this image
+FROM gcr.io/distroless/base:latest
+
+COPY --from=builder nim_censor_bot /
+CMD ["./nim_censor_bot"]