created experimental database

.gitignore

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+docker-compose.yaml
+database

Dockerfile

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+FROM postgres:alpine3.18
+
+ADD init /docker-entrypoint-initdb.d

init/00_InitDB.sql

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+DROP TABLE IF EXISTS Users;
+DROP TABLE IF EXISTS Posts;
+DROP TABLE IF EXISTS Reaction;
+
+CREATE TABLE Users
+(
+    id              bigserial PRIMARY KEY,
+    username        varchar(255) NOT NULL,
+    password        varchar(255) NOT NULL,
+    deleted         timestamp WITH TIME ZONE default NULL
+);
+
+CREATE TABLE Posts
+(
+    id              bigserial PRIMARY KEY,
+    author          bigserial REFERENCES Users(id) NOT NULL,
+    reference       bigserial REFERENCES Posts(id) NOT NULL,
+    -- init with (select last_val from posts_id_seq)
+    title           varchar(255) NOT NULL,
+    content         varchar(1023) NOT NULL,
+    postDate        timestamp WITH TIME ZONE NOT NULL DEFAULT now(),
+    postLocation    Point NOT NULL,
+    deleted         timestamp WITH TIME ZONE default NULL
+);
+
+CREATE TABLE Reaction
+(
+    id              bigserial PRIMARY KEY,
+    post            bigserial REFERENCES Posts(id) NOT NULL,
+    positive        boolean DEFAULT NULL,
+    deleted         timestamp WITH TIME ZONE default NULL
+)