mods that hopefully work for a TechAge-based pack

mods/travelnet/test/Dockerfile

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+ARG ENGINE_VERSION=5.6.0
+FROM registry.gitlab.com/minetest/minetest/server:${ENGINE_VERSION}
+
+USER root
+RUN apk add git &&\
+    mkdir -p /root/.minetest/worlds/world/worldmods/ &&\
+    git clone https://github.com/BuckarooBanzay/mtt /root/.minetest/worlds/world/worldmods/mtt
+
+# old file-based storage to test migration
+COPY ./mod_travelnet.data.json /root/.minetest/worlds/world/mod_travelnet.data
+
+ENTRYPOINT minetestserver --config /minetest.conf

mods/travelnet/test/minetest.conf

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+default_game = minetest_game
+mg_name = v7
+mtt_enable = true
+mtt_filter = travelnet

mods/travelnet/test/mod_travelnet.data.json

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+{"singleplayer":{"net1":{"station1":{"pos":{"x":1022.0,"y":100.0,"z":-856.0},"timestamp":1663767532.0}}}}

mods/travelnet/test/nodenames.txt

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+travelnet:elevator_door_steel_closed
+travelnet:elevator_door_steel_open
+travelnet:elevator_door_tin_open
+travelnet:elevator_door_tin_closed
+travelnet:elevator_door_glass_closed
+travelnet:elevator_door_glass_open
+travelnet:travelnet_black
+travelnet:travelnet_dark_grey
+travelnet:travelnet_grey
+travelnet:travelnet_brown
+travelnet:travelnet_magenta
+travelnet:travelnet_pink
+travelnet:travelnet_violet
+travelnet:travelnet_dark_green
+travelnet:travelnet_green
+travelnet:travelnet_cyan
+travelnet:travelnet_blue
+travelnet:travelnet_orange
+travelnet:travelnet_red
+travelnet:travelnet
+travelnet:travelnet_white
+travelnet:elevator
+travelnet:hidden_top

mods/travelnet/test/world.mt

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+enable_damage = false
+creative_mode = true
+mod_storage_backend = sqlite3
+auth_backend = sqlite3
+player_backend = dummy
+backend = dummy
+gameid = minetest
+world_name = travelnet
+server_announce = false