Initial commit

.dockerignore

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+.dockerignore
+.drone.yml
+.git
+Dockerfile

.drone.yml

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+---
+
+kind: pipeline
+type: docker
+name: default
+
+steps:
+  - name: build only
+    image: plugins/docker
+    settings:
+      dry_run: yes
+      repo: git.luj0ga.de/luca/postgres-tcpify
+    when:
+      event:
+        exclude:
+          - tag
+
+  - name: build and publish
+    image: plugins/docker
+    settings:
+      auto_tag: yes
+      password:
+        from_secret: access_token
+      registry: git.luj0ga.de
+      repo: git.luj0ga.de/luca/postgres-tcpify
+      username: _
+    when:
+      event:
+        - tag

Dockerfile

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+FROM alpine:3
+
+ENV LISTEN_PORT=5432
+ENV SOCKET_PATH=/var/run/postgresql/.s.PGSQL.5432
+
+RUN apk add --no-cache socat
+
+USER nobody
+
+CMD ["/bin/sh", "-c", "/usr/bin/socat \"tcp-listen:$LISTEN_PORT,reuseaddr,fork\" \"unix-client:$SOCKET_PATH\""]