Create Dockerfile

ministryofjustice · Sep 2, 2024 · 3da230d · 3da230d
1 parent fb55d66
commit 3da230d
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/tools/port-forward/Dockerfile b/tools/port-forward/Dockerfile
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+FROM alpine:3
+
+RUN apk add --update --no-cache socat \
+    && rm -rf /var/cache/apk/
+
+RUN addgroup -g 1001 -S appgroup && \
+    adduser -u 1001 -S appuser -G appgroup
+
+USER 1001
+
+CMD ["sh", "-c", "socat tcp-listen:$LOCAL_PORT,reuseaddr,fork tcp:$REMOTE_HOST:$REMOTE_PORT & pid=$! && trap \"kill $pid\" SIGINT && echo \"Socat started listening on $LOCAL_PORT: Redirecting traffic to $REMOTE_HOST:$REMOTE_PORT ($pid)\" && wait $pid"]